IBM AIX 5.2/5.3/6.1 Trusted Execution trustchk_block_write pathname access control

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in IBM AIX 5.2/5.3/6.1. It has been classified as problematic. This vulnerability affects the function trustchk_block_write of the component Trusted Execution. Performing a manipulation of the argument pathname results in access control. This vulnerability is identified as CVE-2008-1596. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in IBM AIX 5.2/5.3/6.1 (Operating System). This affects the function trustchk_block_write of the component Trusted Execution. The manipulation of the argument pathname with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Trusted Execution in IBM AIX 6.1 uses an incorrect pathname argument in a call to the trustchk_block_write function, which might allow local users to modify trusted files, related to missing checks in the TSD_FILES_LOCK policy for modifications performed via hard links, a different vulnerability than CVE-2007-6680.

The bug was discovered 03/11/2008. The weakness was released 03/31/2008 (Website). The advisory is shared at ibm.com. This vulnerability is uniquely identified as CVE-2008-1596 since 03/31/2008. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2008 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (41165), SecurityFocus (BID 28467†), OSVDB (43126†), SecurityTracker (ID 1019606†) and Vulnerability Center (SBV-19234†). Entries connected to this vulnerability are available at VDB-41783, VDB-41782, VDB-41780 and VDB-41779. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/2002 🔍
03/11/2008 +1988 days 🔍
03/12/2008 +1 days 🔍
03/26/2008 +14 days 🔍
03/31/2008 +5 days 🔍
03/31/2008 +0 days 🔍
03/31/2008 +0 days 🔍
03/31/2008 +0 days 🔍
08/19/2008 +141 days 🔍
03/16/2015 +2400 days 🔍
08/15/2019 +1613 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1596 (🔍)
GCVE (CVE): GCVE-0-2008-1596
GCVE (VulDB): GCVE-100-41781
X-Force: 41165
SecurityFocus: 28467 - IBM AIX Kernel Security Advisory 2008.03.26 Multiple Vulnerabilities
OSVDB: 43126 - CVE-2008-1596 - IBM AIX - File Modification Issue
SecurityTracker: 1019606
Vulnerability Center: 19234 - IBM AIX trustchk_block_write Function Vulnerability Allows Local Attackers to Modify Arbitrary Files, Medium
Vupen: ADV-2008-0865

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 08/15/2019 20:21
Changes: 03/16/2015 17:00 (69), 08/15/2019 20:21 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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