FFmpeg up to 0.10 libavcodec/diracdec.c dirac_unpack_block_motion_data memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg up to 0.10. It has been declared as problematic. This vulnerability affects the function dirac_unpack_block_motion_data in the library libavcodec/diracdec.c. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2012-0947. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in FFmpeg up to 0.10 (Multimedia Processing Software). It has been declared as critical. This vulnerability affects the function dirac_unpack_block_motion_data in the library libavcodec/diracdec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.

The weakness was shared 03/27/2012 by Fabian Yamaguchi (Website). The advisory is available at ffmpeg.org. This vulnerability was named CVE-2012-0947 since 02/01/2012. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 59094 (Debian DSA-2471-1 : ffmpeg - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175239 (Debian Security Update for FFmpeg (DSA-2471)).

Upgrading to version 0.10.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (59094), SecurityFocus (BID 53389†), OSVDB (81061†) and Secunia (SA48770†). The entries VDB-5073, VDB-5075, VDB-61702 and VDB-61697 are related to this item. If you want to get best quality of vulnerability data, you may have to visit 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: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: 59094
Nessus Name: Debian DSA-2471-1 : ffmpeg - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892471
OpenVAS Name: Debian Security Advisory DSA 2471-1 (ffmpeg - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FFmpeg 0.10.1

Timelineinfo

02/01/2012 🔍
03/27/2012 +55 days 🔍
03/27/2012 +0 days 🔍
04/09/2012 +13 days 🔍
04/12/2012 +3 days 🔍
04/13/2012 +1 days 🔍
05/03/2012 +20 days 🔍
08/20/2012 +109 days 🔍
03/22/2021 +3136 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: ffmpeg.org
Researcher: Fabian Yamaguchi
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-0947 (🔍)
GCVE (CVE): GCVE-0-2012-0947
GCVE (VulDB): GCVE-100-5074

OVAL: 🔍

SecurityFocus: 53389 - FFmpeg libavcodec 'vqavideo.c' '.vaq' File Heap Memory Corruption Vulnerability
Secunia: 48770 - FFmpeg Multiple Vulnerabilities, Moderately Critical
OSVDB: 81061

See also: 🔍

Entryinfo

Created: 04/13/2012 14:59
Updated: 03/22/2021 18:17
Changes: 04/13/2012 14:59 (62), 04/14/2019 13:09 (13), 03/22/2021 18:17 (2)
Complete: 🔍
Cache ID: 216::103

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