FFmpeg up to 1.1.2 libavcodec/shorten.c ff_h264_decode_seq_parameter_set File input validation

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 1.1.2. It has been rated as critical. Affected is the function ff_h264_decode_seq_parameter_set of the file libavcodec/shorten.c. Performing a manipulation as part of File results in input validation. This vulnerability is known as CVE-2013-0873. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as very critical has been found in FFmpeg up to 1.1.2 (Multimedia Processing Software). This affects the function ff_h264_decode_seq_parameter_set of the file libavcodec/shorten.c. The manipulation as part of a File leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The read_header function in libavcodec/shorten.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via an invalid channel count, related to "freeing invalid addresses."

The weakness was published 02/23/2013 by Mateusz Jurczyk and Gynvael Coldwind as 1.1.3 as not defined changelog entry (Website). It is possible to read the advisory at ffmpeg.org. The public release has been coordinated with the project team. This vulnerability is uniquely identified as CVE-2013-0873 since 01/07/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/04/2018).

The vulnerability scanner Nessus provides a plugin with the ID 89899 (GLSA-201603-06 : 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.

Upgrading to version 1.1.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (89899), OSVDB (90868†) and Secunia (SA52459†). Similar entries are available at VDB-7624, VDB-7625, VDB-7628 and VDB-7630. 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: 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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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 89899
Nessus Name: GLSA-201603-06 : 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/201603-06
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: FFmpeg 1.1.3
Patch: git.videolan.org

Timelineinfo

01/07/2013 🔍
02/23/2013 +47 days 🔍
02/23/2013 +0 days 🔍
03/04/2013 +9 days 🔍
03/07/2013 +3 days 🔍
11/23/2013 +261 days 🔍
03/14/2016 +842 days 🔍
05/04/2018 +781 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 1.1.3
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0873 (🔍)
GCVE (CVE): GCVE-0-2013-0873
GCVE (VulDB): GCVE-100-7875
Secunia: 52459 - FFmpeg Multiple Vulnerabilities, Highly Critical
OSVDB: 90868

See also: 🔍

Entryinfo

Created: 03/07/2013 15:47
Updated: 05/04/2018 09:05
Changes: 03/07/2013 15:47 (60), 05/04/2018 09:05 (15)
Complete: 🔍
Committer:
Cache ID: 216::103

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

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