FFmpeg 0.4.8 decode_mb memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 0.4.8. Impacted is the function decode_mb. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2011-3941. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FFmpeg 0.4.8 (Multimedia Processing Software). This issue affects the function decode_mb. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The decode_mb function in libavcodec/error_resilience.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via vectors related to an uninitialized block index, which triggers an out-of-bounds write.

The weakness was published 12/09/2013 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The identification of this vulnerability is CVE-2011-3941 since 10/01/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 70647 (GLSA-201310-12 : FFmpeg: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (70647) and SecurityFocus (BID 36465†). Similar entries are available at VDB-9123, VDB-9124, VDB-9125 and VDB-9126. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70647
Nessus Name: GLSA-201310-12 : FFmpeg: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201310-12
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c77be3a35a0160d6af88056b0899f120f2eef38e

Timelineinfo

10/01/2011 🔍
10/25/2013 +755 days 🔍
10/27/2013 +2 days 🔍
12/09/2013 +43 days 🔍
12/09/2013 +0 days 🔍
03/24/2015 +470 days 🔍
01/11/2022 +2485 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: git.videolan.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3941 (🔍)
GCVE (CVE): GCVE-0-2011-3941
GCVE (VulDB): GCVE-100-65675
SecurityFocus: 36465

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/11/2022 10:01
Changes: 03/24/2015 15:54 (50), 03/02/2019 19:04 (14), 01/11/2022 10:01 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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