---------------------------------------------------------------------- Did you know that a change in our assessment rating, exploit code availability, or if an updated patch is released by the vendor, is not part of this mailing-list? Click here to learn more: http://secunia.com/advisories/business_solutions/ ---------------------------------------------------------------------- TITLE: IBM AIX "at" Command Privilege Escalation Vulnerability SECUNIA ADVISORY ID: SA33915 VERIFY ADVISORY: http://secunia.com/advisories/33915/ CRITICAL: Less critical IMPACT: Exposure of sensitive information, Privilege escalation WHERE: Local system OPERATING SYSTEM: AIX 5.x http://secunia.com/advisories/product/213/ AIX 6.x http://secunia.com/advisories/product/16995/ DESCRIPTION: A vulnerability has been reported in AIX, which can be exploited by malicious, local users to perform certain actions with escalated privileges. The vulnerability is caused due to the "at" command being setuid root and not dropping privileges when reading certain files. This can be exploited to read arbitrary files on the system. The vulnerability is reported in IBM AIX 5.2, 5.3, and 6.1. SOLUTION: Apply fixes or APARs as soon as they become available. http://aix.software.ibm.com/aix/efixes/security/at_fix.tar AIX 5.2.0: IZ43452 (available approximately 7/22/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43452 AIX 5.3.0: IZ43453 (available approximately 4/29/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43453 AIX 5.3.7: IZ43454 (available approximately 4/29/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43454 AIX 5.3.8: IZ43455 (available approximately 4/29/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43455 AIX 5.3.9: IZ43456 (available approximately 4/29/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43456 AIX 6.1.0: IZ43457 (available approximately 6/03/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43457 AIX 6.1.1: IZ43458 (available approximately 6/03/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43458 AIX 6.1.2: IZ43459 (available approximately 6/03/2009) http://www.ibm.com/support/docview.wss?uid=isg1IZ43459 PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: IBM: http://aix.software.ibm.com/aix/efixes/security/at_advisory.asc ---------------------------------------------------------------------- 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/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/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 ----------------------------------------------------------------------