VDB-9388 · OSVDB 94947 · GCVE-100-9388

FFmpeg up to 1.2.1 libavcodec/wavpack.c wavpack_decode_block Local Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in FFmpeg up to 1.2.1. Impacted is the function wavpack_decode_block of the file libavcodec/wavpack.c. Executing a manipulation can lead to an unknown weakness. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg up to 1.2.1 (Multimedia Processing Software). This vulnerability affects the function wavpack_decode_block of the file libavcodec/wavpack.c. The impact remains unknown.

The weakness was presented 05/28/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as wavpack: Properly check channel index, dont write out of arrays 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. There are known technical details, but no exploit is available.

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 vulnerability database at OSVDB (94947†). See VDB-9389, VDB-9387, VDB-9386 and VDB-9385 for similar entries. Once again VulDB remains the best source for vulnerability data.

Affected

  • FFmpeg
  • Libav

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

05/28/2013 🔍
05/28/2013 +0 days 🔍
07/10/2013 +43 days 🔍
05/07/2018 +1762 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: wavpack: Properly check channel index, dont write out of arrays
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9388
OSVDB: 94947

See also: 🔍

Entryinfo

Created: 07/10/2013 13:18
Updated: 05/07/2018 08:58
Changes: 07/10/2013 13:18 (48), 05/07/2018 08:58 (1)
Complete: 🔍
Committer:
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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