----------------------------------------------------------------------

A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

----------------------------------------------------------------------

TITLE:
IBM AIX "reboot" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA29347

VERIFY ADVISORY:
http://secunia.com/advisories/29347/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
AIX 5.x
http://secunia.com/product/213/

DESCRIPTION:
A vulnerability has been reported in IBM AIX, which can be exploited
by malicious, local users to gain escalated privileges.

The vulnerability is caused due to a boundary error within the
"reboot" command. This can be exploited by users in the "shutdown"
group to cause a stack-based buffer overflow and allow execution of
arbitrary code with "root" privileges.

The vulnerability is reported in AIX versions 5.2 and 5.3.

SOLUTION:
Apply interim fixes or APARs as soon as they become available.
ftp://aix.software.ibm.com/aix/efixes/security/reboot_fix.tar

-- APARs --

AIX 5.2.0:
Apply APAR IZ15479.

AIX 5.3.0:
Apply APAR IZ15480 (available approximately 3/17/2008).

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

ORIGINAL ADVISORY:
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=4163
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=4164

----------------------------------------------------------------------

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.

----------------------------------------------------------------------

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

----------------------------------------------------------------------