Linux Kernel 3.0.62 udf_encode_fh 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, which was classified as problematic, has been found in Linux Kernel 3.0.62. This issue affects the function udf_encode_fh. Performing a manipulation results in information disclosure. This vulnerability is identified as CVE-2012-6548. There is not any exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel 3.0.62 (Operating System). It has been classified as problematic. This affects the function udf_encode_fh. 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 udf_encode_fh function in fs/udf/namei.c in the Linux kernel before 3.6 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted application.

The weakness was released 03/15/2013 by Pinkie Pie (Website). It is possible to read the advisory at kernel.org. This vulnerability is uniquely identified as CVE-2012-6548 since 03/14/2013. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 70222 (Amazon Linux AMI : kernel (ALAS-2013-218)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350526 (Amazon Linux Security Advisory for kernel: ALAS-2013-218).

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 (82871), Tenable (70222), SecurityFocus (BID 58427†) and Vulnerability Center (SBV-40859†). Entries connected to this vulnerability are available at VDB-7997, VDB-8073, VDB-8484 and VDB-8499. 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: 70222
Nessus Name: Amazon Linux AMI : kernel (ALAS-2013-218)
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: 0143fc5e9f6f5aad4764801015bc8d4b4a278200

Timelineinfo

03/05/2013 🔍
03/11/2013 +6 days 🔍
03/14/2013 +3 days 🔍
03/15/2013 +1 days 🔍
03/15/2013 +0 days 🔍
08/06/2013 +144 days 🔍
10/01/2013 +56 days 🔍
03/24/2015 +539 days 🔍
01/01/2022 +2475 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-1805-1
Researcher: Pinkie Pie
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-6548 (🔍)
GCVE (CVE): GCVE-0-2012-6548
GCVE (VulDB): GCVE-100-63771

OVAL: 🔍

X-Force: 82871
SecurityFocus: 58427 - Linux Kernel 'i915 DRM' Driver Integer Overflow Vulnerability
Vulnerability Center: 40859 - Linux Kernel Before 3.6 Local Leakage of Information via Crafted Application (CVE-2012-6548), Low

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 01/01/2022 09:07
Changes: 03/24/2015 12:22 (68), 05/07/2017 11:47 (6), 01/01/2022 09:01 (5), 01/01/2022 09:03 (1), 01/01/2022 09:07 (1)
Complete: 🔍
Cache ID: 216::103

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