Bkleineidam Libpam Mount 0.43 link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Bkleineidam Libpam Mount 0.43. Affected by this vulnerability is an unknown functionality. The manipulation leads to link following. This vulnerability is traded as CVE-2008-5138. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Bkleineidam Libpam Mount 0.43. It has been rated as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

passwdehd in libpam-mount 0.43 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/passwdehd.##### temporary file.

The bug was discovered 08/11/2008. The weakness was shared 11/18/2008 (Website). The advisory is shared at lists.debian.org. The identification of this vulnerability is CVE-2008-5138 since 11/18/2008. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 99 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 41267 (SuSE9 Security Update : pam_mount (YOU Patch Number 12332)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (46724), Tenable (41267), SecurityFocus (BID 32374†), OSVDB (49964†) and Secunia (SA32780†). The entries VDB-45338, VDB-45337, VDB-45096 and VDB-45095 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 41267
Nessus Name: SuSE9 Security Update : pam_mount (YOU Patch Number 12332)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63137
OpenVAS Name: Mandrake Security Advisory MDVSA-2009:004 (pam_mount)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/11/2008 🔍
08/11/2008 +0 days 🔍
08/14/2008 +3 days 🔍
11/18/2008 +96 days 🔍
11/18/2008 +0 days 🔍
11/18/2008 +0 days 🔍
11/20/2008 +2 days 🔍
01/14/2009 +55 days 🔍
03/01/2009 +46 days 🔍
09/24/2009 +207 days 🔍
03/17/2015 +2000 days 🔍
08/28/2019 +1625 days 🔍

Sourcesinfo

Advisory: lists.debian.org
Status: Not defined

CVE: CVE-2008-5138 (🔍)
GCVE (CVE): GCVE-0-2008-5138
GCVE (VulDB): GCVE-100-45089
X-Force: 46724
SecurityFocus: 32374 - pam_mount Insecure Temporary File Creation Vulnerability
Secunia: 32780 - pam_mount "passwdehd" Insecure Temporary Files, Less Critical
OSVDB: 49964 - CVE-2008-5138 - libpam_mount - File Execution Issue
Vulnerability Center: 21089 - libpam-mount 0.43 passwdehd Local Symlink Attack Allows Users to Overwrite Arbitrary Files, Low

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/28/2019 16:47
Changes: 03/17/2015 16:11 (76), 08/28/2019 16:47 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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