FFmpeg up to 1.1.2 libvcodec/sanm.c old_codec47 numeric error

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in FFmpeg up to 1.1.2. The affected element is the function old_codec47 of the file libvcodec/sanm.c. The manipulation leads to numeric error. This vulnerability is uniquely identified as CVE-2013-0876. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in FFmpeg up to 1.1.2 (Multimedia Processing Software). It has been rated as very critical. This issue affects the function old_codec47 of the file libvcodec/sanm.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 confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in the (1) old_codec37 and (2) old_codec47 functions in libavcodec/sanm.c in FFmpeg before 1.1.3 allow remote attackers to have an unspecified impact via crafted LucasArts Smush data, which triggers an out-of-bounds array access.

The weakness was disclosed 02/23/2013 by Mateusz Jurczyk and Gynvael Coldwind as sanm: Use the correct height variable in the decoded_size checks as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The public release has been coordinated in cooperation with the project team. The identification of this vulnerability is CVE-2013-0876 since 01/07/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price 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. The upgrade is hosted for download at git.videolan.org. 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 (91019†) and Secunia (SA52459†). The entries VDB-7624, VDB-7625, VDB-7628 and VDB-7630 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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 🔍
03/11/2013 +7 days 🔍
11/23/2013 +257 days 🔍
03/14/2016 +842 days 🔍
05/04/2018 +781 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: sanm: Use the correct height variable in the decoded_size checks
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0876 (🔍)
GCVE (CVE): GCVE-0-2013-0876
GCVE (VulDB): GCVE-100-7937
Secunia: 52459 - FFmpeg Multiple Vulnerabilities, Highly Critical
OSVDB: 91019

See also: 🔍

Entryinfo

Created: 03/11/2013 12:11
Updated: 05/04/2018 09:08
Changes: 03/11/2013 12:11 (60), 05/04/2018 09:08 (15)
Complete: 🔍
Committer:
Cache ID: 216:EDF:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!