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Secunia Network Software Inspector 2.0 (NSI) - Public Beta

8 days left of beta period.

The 1st generation of the Secunia Network Software Inspector (NSI)
has been available for corporate users for almost 1 year and its been
a tremendous success.

The 2nd generation Secunia NSI is built on the same technology as the
award winning Secunia PSI, which has already been downloaded and
installed on more than 400,000 computers world wide.

Learn more / Download (instant access):
http://secunia.com/network_software_inspector_2/

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TITLE:
grsecurity RBAC User Transition Security Issue

SECUNIA ADVISORY ID:
SA29899

VERIFY ADVISORY:
http://secunia.com/advisories/29899/

CRITICAL:
Not critical

IMPACT:
Security Bypass

WHERE:
Local system

SOFTWARE:
grsecurity 2.x
http://secunia.com/product/3419/

DESCRIPTION:
A security issue has been reported in grsecurity, which can be
exploited by malicious, local users to bypass certain security
restrictions.

The security issue is caused due to an error in the RBAC system when
enforcing the "user_transition_deny" and "user_transition_allow"
rules. This can be exploited to bypass the affected rules in calls to
"sys_setfsuid()" and "sys_setfsgid()".

The security issue is reported in versions prior to 2.1.11-2.6.24.5
(2008-04-21) and 2.1.11-2.4.36.2 (2008-04-21).

SOLUTION:
Update to 2.1.11-2.6.24.5 (2008-04-21) or 2.1.11-2.4.36.2
(2008-04-21).
http://www.grsecurity.org/download.php

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.grsecurity.org/news.php

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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