FFmpeg up to 0.8.2 cavsdec.c decode_residual_inter numeric error

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in FFmpeg. This issue affects the function decode_residual_inter of the file cavsdec.c. The manipulation leads to numeric error. This vulnerability is traded as CVE-2011-3974. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg (Multimedia Processing Software). This issue affects the function decode_residual_inter of the file cavsdec.c. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

Integer signedness error in the decode_residual_inter function in cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, a different vulnerability than CVE-2011-3362.

The weakness was shared 10/02/2011 as cavs: fix some crashes with invalid bitstreams as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The identification of this vulnerability is CVE-2011-3974 since 10/02/2011. 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 56727 (Debian DSA-2336-1 : 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.

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 (70353), Tenable (56727) and Vulnerability Center (SBV-39983†). The entries VDB-58798 and VDB-58796 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Numeric error
CWE: CWE-189
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: 56727
Nessus Name: Debian DSA-2336-1 : ffmpeg - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70554
OpenVAS Name: Debian Security Advisory DSA 2336-1 (ffmpeg)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: bd968d260aef322fb32e254a3de0d2036c57bd56

Timelineinfo

09/07/2011 🔍
10/02/2011 +25 days 🔍
10/02/2011 +0 days 🔍
10/02/2011 +0 days 🔍
06/13/2013 +620 days 🔍
03/23/2015 +648 days 🔍
11/21/2021 +2434 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: cavs: fix some crashes with invalid bitstreams
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3974 (🔍)
GCVE (CVE): GCVE-0-2011-3974
GCVE (VulDB): GCVE-100-58799

OVAL: 🔍

X-Force: 70353
SecurityFocus: 50555
Vulnerability Center: 39983 - FFmpeg Remote Denial of Service via an Invalid Bitstream in a Chinese AVS Video, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/21/2021 00:44
Changes: 03/23/2015 16:50 (64), 05/02/2017 08:42 (5), 11/21/2021 00:31 (3), 11/21/2021 00:44 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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