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CRITICAL : One more kernel exploit known to the public

Tags: exploitskernelsecurity in linux

Published on: September 17, 2010 by George K.

CRITICAL : One more kernel exploit known to the public

Scenario:

A continuation of the previous exploits. http://isec.pl/vulnerabilities/isec-0025-syscall-emulation.txt

Full Disclosure here  – http://seclists.org/fulldisclosure/2010/Sep/268 & mitigation at http://seclists.org/fulldisclosure/2010/Sep/273

Details about the 0 day exploit and how to test whether your system is exploitable or not. However no need to get panicked as this particular exploit was with l33t hackers for last 2 years as you can see at the above link. Now since it is public now, take an extra care if uname -m gives you a x86_64.

http://sota.gen.nz/compat2/

http://sota.gen.nz/compat1/

Two CVE candidates are there – CVE-2010-3081 and CVE-2010-3301. One will affect the server and other don’t.

Temporary solution would be to follow https://access.redhat.com/kb/docs/DOC-40265

Category : General, Linux, Security

George K.

George K.

George started his career in web hosting and Linux technical support in the year 2004 and is with SupportSages since 2009. He has keen interest in server optimizations, custom security solutions, hacked server recovery, cyber forensic and high availability fail over system design and implementation. George loves long drives and is passionate about art and literature.

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