Linux Kernel 3.0.62 net/llc/af_llc.c llc_ui_getname information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel 3.0.62. This impacts the function llc_ui_getname of the file net/llc/af_llc.c. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2012-6542. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel 3.0.62 (Operating System). This affects the function llc_ui_getname of the file net/llc/af_llc.c. 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:

The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel before 3.6 has an incorrect return value in certain circumstances, which allows local users to obtain sensitive information from kernel stack memory via a crafted application that leverages an uninitialized pointer argument.

The weakness was published 03/15/2013 (Website). The advisory is shared at kernel.org. This vulnerability is uniquely identified as CVE-2012-6542 since 03/14/2013. 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.

The vulnerability scanner Nessus provides a plugin with the ID 71013 (RHEL 6 : kernel (RHSA-2013:1645)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166795 (SUSE Enterprise Linux Security Update for Linux Kernel (SUSE-SU-2014:0536-1)).

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 (82865), Tenable (71013), SecurityFocus (BID 57940†) and Vulnerability Center (SBV-39440†). Similar entries are available at VDB-7724, VDB-7908, VDB-58121 and VDB-63772. 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: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 71013
Nessus Name: RHEL 6 : kernel (RHSA-2013:1645)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892668
OpenVAS Name: Debian Security Advisory DSA 2668-1 (linux-2.6 - privilege escalation/denial of service/information leak
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 3592aaeb80290bda0f2cf0b5456c97bfc638b192

Timelineinfo

03/05/2013 🔍
03/14/2013 +9 days 🔍
03/15/2013 +1 days 🔍
03/15/2013 +0 days 🔍
05/06/2013 +52 days 🔍
11/21/2013 +199 days 🔍
03/24/2015 +488 days 🔍
01/01/2022 +2475 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2013:1645
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-6542 (🔍)
GCVE (CVE): GCVE-0-2012-6542
GCVE (VulDB): GCVE-100-63765

OVAL: 🔍

X-Force: 82865
SecurityFocus: 57940
Vulnerability Center: 39440 - Linux Kernel Before 3.6 Local Information Disclosure Vulnerability (CVE-2012-6542), Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 01/01/2022 08:35
Changes: 03/24/2015 12:22 (41), 04/28/2017 18:15 (30), 01/01/2022 08:33 (5), 01/01/2022 08:34 (1), 01/01/2022 08:35 (2)
Complete: 🔍
Cache ID: 216:153:103

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