A vulnerability has been discovered in Mac OS X, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

The vulnerability is caused due to an integer overflow error in the handling of Mach-O binaries and can be exploited to render the system unresponsive.

The vulnerability is confirmed in Mac OS X 10.4.11 and reported in 10.5.1. Other versions may also be affected.

Solution
Grant only trusted users access to affected systems.

Provided and/or discovered by
mu-b

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://www.digit-labs.org/files/exploits/xnu-macho-dos.c

Deep Links
Links available to Secunia VIM customers