VDB-10408 · OSVDB 97538 · GCVE-100-10408

FFmpeg 1.2 Index matroskadec.c matroska_read_seek memory corruption

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 was found in FFmpeg 1.2. It has been declared as problematic. This affects the function matroska_read_seek of the file libavformat/matroskadec.c of the component Index Handler. Executing a manipulation can lead to memory corruption. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in FFmpeg 1.2 (Multimedia Processing Software) and classified as critical. This vulnerability affects the function matroska_read_seek of the file libavformat/matroskadec.c of the component Index Handler. 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.

The issue has been introduced in 03/07/2013. The weakness was presented 05/26/2013 as matroska_read_seek: Fix used streams for subtitle index compensation as confirmed git commit (GIT Repository). The advisory is shared for download at git.videolan.org. The public release was coordinated in cooperation with the vendor. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 80 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.11.4 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 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (97538†). See VDB-10412, VDB-10411, VDB-10410 and VDB-10409 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • FFmpeg 1.2
  • Libav 0.8.7/9.7

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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: FFmpeg 0.11.4
Patch: git.videolan.org

Timelineinfo

03/07/2013 🔍
05/26/2013 +80 days 🔍
08/28/2013 +94 days 🔍
09/23/2013 +26 days 🔍
04/15/2019 +2030 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: matroska_read_seek: Fix used streams for subtitle index compensation
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10408
OSVDB: 97538

See also: 🔍

Entryinfo

Created: 09/23/2013 14:44
Updated: 04/15/2019 12:09
Changes: 09/23/2013 14:44 (53), 04/15/2019 12:09 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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!