CVE-2009-2669

Severity

72%

Complexity

39%

Confidentiality

165%

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.

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.

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

IBM AIX

First reported 15 years ago

2009-08-05 19:30:00

Last updated 15 years ago

2009-08-12 05:30:00

Affected Software

IBM AIX 5.3

5.3

IBM AIX 6.1

6.1

References

http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc

Vendor Advisory

20090804 IBM AIX libC _LIB_INIT_DBG Arbitrary File Creation Vulnerability

36156

IZ54090

IZ54091

IZ54593

IZ56203

Patch, Vendor Advisory

IZ56204

Patch, Vendor Advisory

IZ56205

Patch, Vendor Advisory

IZ56206

Patch, Vendor Advisory

35934

Patch

ADV-2009-2151

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