VDB-9863 · OSVDB 95975 · GCVE-100-9863

FFmpeg 2.0 libavcodec/8bps.c decode_frame memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg 2.0. It has been rated as critical. The impacted element is the function decode_frame of the file libavcodec/8bps.c. The manipulation leads to memory corruption. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg 2.0 (Multimedia Processing Software). It has been rated as critical. This issue affects the function decode_frame of the file libavcodec/8bps.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The issue has been introduced in 07/11/2013. The weakness was presented 07/23/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as 8bps: Bound-check the input buffer as confirmed git commit (GIT Repository). It is possible to read the advisory at git.libav.org. The public release was coordinated in cooperation with the project team. 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 of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.libav.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (95975†). See VDB-9866, VDB-9865, VDB-9864 and VDB-9862 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • FFmpeg 2.0
  • Libav 0.8.8/9.8

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: git.libav.org

Timelineinfo

07/11/2013 🔍
07/23/2013 +12 days 🔍
07/23/2013 +0 days 🔍
08/08/2013 +16 days 🔍
04/15/2019 +2076 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 8bps: Bound-check the input buffer
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9863
OSVDB: 95975

See also: 🔍

Entryinfo

Created: 08/08/2013 13:22
Updated: 04/15/2019 16:57
Changes: 08/08/2013 13:22 (51), 04/15/2019 16:57 (2)
Complete: 🔍
Cache ID: 216:45E:103

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

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