Linux Kernel up to 3.5.x llc Subsystem net/llc/af_llc.c getsockname information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 3.5.x. It has been rated as problematic. This affects the function getsockname of the file net/llc/af_llc.c of the component llc Subsystem. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2012-6138. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel up to 3.5.x (Operating System). It has been classified as problematic. This affects the function getsockname of the file net/llc/af_llc.c of the component llc Subsystem. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2012-6536, CVE-2012-6537, CVE-2012-6538, CVE-2012-6539, CVE-2012-6540, CVE-2012-6541, CVE-2012-6542, CVE-2012-6543, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6547, CVE-2012-6548, CVE-2012-6549. Reason: This candidate is a duplicate of CVE-2012-6536, CVE-2012-6537, CVE-2012-6538, CVE-2012-6539, CVE-2012-6540, CVE-2012-6541, CVE-2012-6542, CVE-2012-6543, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6547, CVE-2012-6548, and CVE-2012-6549. Notes: All CVE users should reference one or more of CVE-2012-6536, CVE-2012-6537, CVE-2012-6538, CVE-2012-6539, CVE-2012-6540, CVE-2012-6541, CVE-2012-6542, CVE-2012-6543, CVE-2012-6544, CVE-2012-6545, CVE-2012-6546, CVE-2012-6547, CVE-2012-6548, and CVE-2012-6549 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

The weakness was disclosed 03/05/2013 by Mathias Krause as 2013/q1/589 as not defined mailinglist post (oss-sec). The advisory is shared at seclists.org. The public release happened without involvement of Linux. This vulnerability is uniquely identified as CVE-2012-6138 since 12/06/2012. 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 T1592 for this issue.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at seclists.org. 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 OSVDB (90967†) and Secunia (SA53053†). The entries VDB-7907, VDB-7908, VDB-7909 and VDB-7910 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: seclists.org

Timelineinfo

08/15/2012 🔍
12/06/2012 +113 days 🔍
03/05/2013 +89 days 🔍
03/08/2013 +3 days 🔍
03/15/2013 +7 days 🔍
04/17/2013 +33 days 🔍
08/18/2017 +1584 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 2013/q1/589
Researcher: Mathias Krause
Status: Not defined

CVE: CVE-2012-6138 (🔍)
GCVE (CVE): GCVE-0-2012-6138
GCVE (VulDB): GCVE-100-7917
Secunia: 53053 - Red Hat update for kernel, Not Critical
OSVDB: 90967

See also: 🔍

Entryinfo

Created: 03/08/2013 14:35
Updated: 08/18/2017 13:53
Changes: 03/08/2013 14:35 (49), 08/18/2017 13:53 (9)
Complete: 🔍
Committer:
Cache ID: 216:F76:103

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