FFmpeg 0.3.1 h264_ps.c ff_h264_decode_seq_parameter_set memory corruption

CVSS Meta Temp Score
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7.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in FFmpeg 0.3.1 (Multimedia Processing Software). Affected by this issue is the function ff_h264_decode_seq_parameter_set of the file h264_ps.c. 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. CVE summarizes:

The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 1.1.3 does not validate the relationship between luma depth and chroma depth, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted H.264 data.

The weakness was published 02/27/2013 by Gynvael Coldwind (j00ru) as confirmed git commit (GIT Repository). The advisory is available at git.videolan.org. This vulnerability is handled as CVE-2013-2277 since 02/26/2013. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 65819 (Ubuntu 12.04 LTS / 12.10 : libav vulnerabilities (USN-1790-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

The vulnerability is also documented in the databases at X-Force (82470) and Tenable (65819). Similar entries are available at 7789, 7981 and 7982.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65819
Nessus Name: Ubuntu 12.04 LTS / 12.10 : libav vulnerabilities (USN-1790-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 841389
OpenVAS Name: Ubuntu Update for libav USN-1790-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: bdeb61ccc67911cfc5e20c7cfb1312d0501ca90a

Timelineinfo

02/21/2013 🔍
02/21/2013 +0 days 🔍
02/26/2013 +5 days 🔍
02/27/2013 +1 days 🔍
02/27/2013 +0 days 🔍
04/24/2014 +421 days 🔍
03/24/2015 +334 days 🔍
12/29/2021 +2472 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: USN-1790-1
Researcher: Gynvael Coldwind (j00ru)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2277 (🔍)
OVAL: 🔍

X-Force: 82470
Vulnerability Center: 44241 - FFmpeg <1.1.3 Unspecified Remote Vulnerability in h264_ps.c in libavcodec, High
SecurityFocus: 58240 - FFmpeg 'ff_h264_decode_seq_parameter_set()' Function Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2021 16:22
Changes: 03/24/2015 12:22 (65), 05/26/2017 03:50 (9), 12/29/2021 16:13 (4), 12/29/2021 16:22 (1)
Complete: 🔍

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