VDB-12000 · SA56525 · OSVDB 102247

FFmpeg 2.1 hevcdsp_template.c sao_band_filter memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in FFmpeg 2.1. Affected is the function sao_band_filter of the file libavcodec/hevcdsp_template.c. The manipulation results in memory corruption. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as very critical, was found in FFmpeg 2.1 (Multimedia Processing Software). Affected is the function sao_band_filter of the file libavcodec/hevcdsp_template.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 10/29/2013. The weakness was published 01/11/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as hevc: Clip the pixel before shifting as confirmed git commit (GIT Repository). The advisory is shared for download at git.videolan.org. The public release has been coordinated with the vendor. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/18/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 74 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.videolan.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (102247†) and Secunia (SA56525†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • FFmpeg 2.1
  • Libav 9.10

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
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💳💳💳💳💳💳
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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.videolan.org

Timelineinfo

10/29/2013 🔍
01/11/2014 +74 days 🔍
01/11/2014 +0 days 🔍
01/20/2014 +9 days 🔍
01/21/2014 +1 days 🔍
04/18/2019 +1913 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: hevc: Clip the pixel before shifting
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-12000
Secunia: 56525 - FFmpeg Multiple Denial of Service Vulnerabilities, Less Critical
OSVDB: 102247

Entryinfo

Created: 01/21/2014 09:34
Updated: 04/18/2019 10:11
Changes: 01/21/2014 09:34 (55), 04/18/2019 10:11 (1)
Complete: 🔍
Cache ID: 216:725:103

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