IBM AIX up to 5.3 L chcons bos.rte.console DEBUG MALLOC memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in IBM AIX up to 5.3 L. The affected element is an unknown function of the file bos.rte.console of the component chcons. This manipulation of the argument DEBUG MALLOC causes memory corruption. This vulnerability appears as CVE-2005-3396. The attack may be initiated remotely. In addition, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in IBM AIX up to 5.3 L (Operating System). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file bos.rte.console of the component chcons. The manipulation of the argument DEBUG MALLOC with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the chcons (chcon) command in IBM AIX 5.2 and 5.3, when DEBUG MALLOC is enabled, might allow attackers to execute arbitrary code via a long command line argument.

The bug was discovered 10/31/2005. The weakness was presented 10/31/2005 with IBM (Website). It is possible to read the advisory at www-1.ibm.com. This vulnerability is known as CVE-2005-3396 since 11/01/2005. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a exploit are known.

It is possible to download the exploit at secunia.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 453 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 65262 (AIX 5.2 TL 9 : bos.rte.console (U477978)), 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 www-1.ibm.com. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (40645), Tenable (65262), SecurityFocus (BID 15247†), OSVDB (20399†) and Secunia (SA17380†). See VDB-1868 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65262
Nessus Name: AIX 5.2 TL 9 : bos.rte.console (U477978)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: www-1.ibm.com

Timelineinfo

08/01/2004 🔍
10/28/2005 +453 days 🔍
10/31/2005 +3 days 🔍
10/31/2005 +0 days 🔍
10/31/2005 +0 days 🔍
10/31/2005 +0 days 🔍
10/31/2005 +0 days 🔍
10/31/2005 +0 days 🔍
11/01/2005 +0 days 🔍
11/01/2005 +0 days 🔍
11/01/2005 +0 days 🔍
03/10/2009 +1225 days 🔍
03/13/2013 +1464 days 🔍
07/05/2019 +2305 days 🔍

Sourcesinfo

Vendor: ibm.com

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

CVE: CVE-2005-3396 (🔍)
GCVE (CVE): GCVE-0-2005-3396
GCVE (VulDB): GCVE-100-1843

OVAL: 🔍

X-Force: 40645
SecurityFocus: 15247 - IBM AIX CHCONS Local Buffer Overflow Vulnerability
Secunia: 17380 - IBM "chcons" Command Buffer Overflow Vulnerability, Less Critical
OSVDB: 20399 - IBM chcons Input Argument Local Overflow
SecurityTracker: 1015122
Vulnerability Center: 21244 - IBM AIX 5.2 and 5.3 Chcons Command Local DoS or Code Execution with Root Privileges Vulnerability, Medium
Vupen: ADV-2005-2253

See also: 🔍

Entryinfo

Created: 11/01/2005 10:19
Updated: 07/05/2019 08:44
Changes: 11/01/2005 10:19 (92), 07/05/2019 08:44 (6)
Complete: 🔍
Cache ID: 216::103

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