VDB-9387 · OSVDB 94946 · GCVE-100-9387

FFmpeg up to 1.2.1 libavcodec/jpeglsdec.c ff_jpegls_decode_picture memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg up to 1.2.1. It has been rated as critical. This issue affects the function ff_jpegls_decode_picture of the file libavcodec/jpeglsdec.c. Performing a manipulation results in memory corruption. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as critical has been found in FFmpeg up to 1.2.1 (Multimedia Processing Software). This affects the function ff_jpegls_decode_picture of the file libavcodec/jpeglsdec.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 weakness was disclosed 05/17/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as jpegls: check the scan offset as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The public release has been coordinated in cooperation with the project team. The exploitability is told to be difficult. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.8.8 eliminates this vulnerability. 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 patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (94946†). The entries VDB-9389, VDB-9388, VDB-9386 and VDB-9385 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality 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: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: 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: 🔍

Upgrade: FFmpeg 0.8.8
Patch: git.videolan.org

Timelineinfo

05/17/2013 🔍
05/17/2013 +0 days 🔍
07/10/2013 +54 days 🔍
05/07/2018 +1762 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: jpegls: check the scan offset
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-9387
OSVDB: 94946

See also: 🔍

Entryinfo

Created: 07/10/2013 13:17
Updated: 05/07/2018 08:58
Changes: 07/10/2013 13:17 (50), 05/07/2018 08:58 (2)
Complete: 🔍
Committer:
Cache ID: 216::103

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