VDB-11981 · XFDB 90548 · OSVDB 102156

FFmpeg 2.1 libavcodec/hevc.c hls_slice_header null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FFmpeg 2.1. This affects the function hls_slice_header of the file libavcodec/hevc.c. The manipulation leads to null pointer dereference. Additionally, an exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FFmpeg 2.1 (Multimedia Processing Software). This issue affects the function hls_slice_header of the file libavcodec/hevc.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The issue has been introduced in 10/29/2013. The weakness was released 01/13/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as avcodec/hevc: Check entry point arrays for malloc failure as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The public release was coordinated with the project team. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a private exploit are known.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 76 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 X-Force (90548) and OSVDB (102156†). Entries connected to this vulnerability are available at VDB-11983, VDB-11982, VDB-11980 and VDB-11979. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
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 🔍
01/13/2014 +76 days 🔍
01/13/2014 +0 days 🔍
01/17/2014 +4 days 🔍
04/18/2019 +1917 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/hevc: Check entry point arrays for malloc failure
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-11981
X-Force: 90548
OSVDB: 102156

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 01/17/2014 09:04
Updated: 04/18/2019 09:58
Changes: 01/17/2014 09:04 (52), 04/18/2019 09:58 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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