Digital Armaments Security Pre-Advisory 11.01.2007: Grsecurity Kernel PaX - Local root vulnerability
Digital Armaments pre-advisory is 01.10.2007
http://www.digitalarmaments.com/pre2007-00018659.html
Digital Armaments realease pre-advisory of vulnerabilties and exploit avaiable
only to Platinum Subscriptors.
The full-advisory will might be released to the public after 6 months.
I. Background
grsecurity is an innovative approach to security utilizing a multi-layered
detection, prevention, and containment model. It is licensed under the GPL.
For further information or detail about the software you can refer to the
vendor's homepage:
http://www.grsecurity.net/
II. Problem Description
A vulnerability exist in expand_stack() of grsecurity patch. This vulnerability
is exploitable only locally.
III. Impact analysis
Successful exploitation allow an attacker to obtain local root privileges. The
impact is high, due to grsecurity should prevent any form of code execution and
privilege escalation. A working exploit is available.
IV. Credit
Anonymous.
Get paid and get stocks by vulnerability submission
http://www.digitalarmaments.com/contribute.html
V. Legal Notices
Copyright © 2007 Digital Armaments Inc..
Redistribution of this alert electronically is allowed. It should not be edited
in any way. Reprint the whole is allowed, partial reprint is not permitted. For
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permission.
Disclaimer: The information in the advisory is believed to be accurate at the
time of publishing based on currently available information. Use of the
information constitutes acceptance for use in an AS IS condition. There are no
warranties with regard to this information. Neither the author nor the
publisher accepts any liability for any direct, indirect, or consequential loss
or damage arising from use of, or reliance on, this information.