IBM AIX 5.2.0/5.3.0 rm_mlcache_file memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

A vulnerability, which was classified as critical, was found in IBM AIX 5.2.0/5.3.0 (Operating System). Affected is the function rm_mlcache_file. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Unspecified vulnerability in xlock in IBM AIX 5.2.0 and 5.3.0 allows local users to execute arbitrary commands and overwrite arbitrary files via unspecified vectors, possibly involving a buffer overflow.

The bug was discovered 09/25/2006. The weakness was presented 09/26/2006 with IBM (Website). The advisory is shared for download at www-1.ibm.com. This vulnerability is traded as CVE-2006-5009 since 09/26/2006. Access to the local network is required for this attack to succeed. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1408 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 28666 (AIX 5.2 TL 9 / 5.2 TL 10 : X11.apps.clients (U808260)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at aix.software.ibm.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (29161) and Tenable (28666). See 2474, 2490, 2570 and 2569 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 28666
Nessus Name: AIX 5.2 TL 9 / 5.2 TL 10 : X11.apps.clients (U808260)
Nessus File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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0-Day Time: 🔍

Patch: aix.software.ibm.com

Timelineinfo

10/01/2002 🔍
08/09/2006 +1408 days 🔍
09/25/2006 +47 days 🔍
09/25/2006 +0 days 🔍
09/26/2006 +1 days 🔍
09/26/2006 +0 days 🔍
09/26/2006 +0 days 🔍
09/26/2006 +0 days 🔍
09/26/2006 +0 days 🔍
09/26/2006 +0 days 🔍
09/26/2006 +0 days 🔍
09/27/2006 +0 days 🔍
12/03/2007 +432 days 🔍
03/03/2009 +456 days 🔍
08/28/2019 +3830 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: www-1.ibm.com
Researcher: http://www.ibm.com
Organization: IBM
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5009 (🔍)
X-Force: 29161 - IBM AIX xlock buffer overflow, High Risk
SecurityTracker: 1016923
Vulnerability Center: 21150 - IBM AIX 5.2 and 5.3 Xlock Local Root Privileges and Files Overwrite Vulnerability, High
SecurityFocus: 20201 - IBM AIX Xlock Local Buffer Overflow Vulnerability
Secunia: 22098 - IBM AIX xlock Buffer Overflow Vulnerability, Less Critical
OSVDB: 29186 - IBM AIX x11.apps.clients xlock Local Overflow
Vupen: ADV-2006-3770

See also: 🔍

Entryinfo

Created: 09/27/2006 12:57
Updated: 08/28/2019 20:27
Changes: 09/27/2006 12:57 (97), 08/28/2019 20:27 (2)
Complete: 🔍

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