CVE-2009-2669

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-08-05 · updated 2026-06-16
Weakness: CWE-264

Description

A certain debugging component in IBM AIX 5.3 and 6.1 does not properly handle the (1) _LIB_INIT_DBG and (2) _LIB_INIT_DBG_FILE environment variables, which allows local users to gain privileges by leveraging a setuid-root program to create an arbitrary root-owned file with world-writable permissions, related to libC.a (aka the XL C++ runtime library) in AIX 5.3 and libc.a in AIX 6.1.

Affected products

IBM AIX: 5.3, 6.1

References

http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815
http://secunia.com/advisories/36156
http://www.ibm.com/support/docview.wss?uid=isg1IZ54090
http://www.ibm.com/support/docview.wss?uid=isg1IZ54091
http://www.ibm.com/support/docview.wss?uid=isg1IZ54593
http://www.ibm.com/support/docview.wss?uid=isg1IZ56203
http://www.ibm.com/support/docview.wss?uid=isg1IZ56204
http://www.ibm.com/support/docview.wss?uid=isg1IZ56205
http://www.ibm.com/support/docview.wss?uid=isg1IZ56206
http://www.securityfocus.com/bid/35934
http://www.vupen.com/english/advisories/2009/2151

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