VDB-12293 · XFDB 91073 · BID 65504

FFmpeg 2.0 libavcodec/hevc.c hls_decode_entry memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 2.0. The affected element is the function hls_decode_entry of the file libavcodec/hevc.c. The manipulation leads to memory corruption. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in FFmpeg 2.0 (Multimedia Processing Software). It has been rated as problematic. This issue affects the function hls_decode_entry of the file libavcodec/hevc.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 availability.

The issue has been introduced in 07/11/2013. The weakness was presented 02/06/2014 by Gynvael Coldwind and Mateusz Jurczyk (j00ru) with Google as avcodec/hevc: hls_decode_entry: check that the previous slice segment is available... as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 210 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 (91073), SecurityFocus (BID 65504†) and Secunia (SA56838†). See VDB-12294, VDB-12295, VDB-12296 and VDB-12297 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
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: Unproven
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

07/11/2013 🔍
02/06/2014 +210 days 🔍
02/06/2014 +0 days 🔍
02/07/2014 +1 days 🔍
02/14/2014 +7 days 🔍
04/16/2019 +1887 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/hevc: hls_decode_entry: check that the previous slice segment is available...
Researcher: Gynvael Coldwind, Mateusz Jurczyk (j00ru)
Organization: Google
Status: Confirmed

GCVE (VulDB): GCVE-100-12293
X-Force: 91073 - FFmpeg hls_decode_entry() denial of service, Medium Risk
SecurityFocus: 65504 - FFmpeg Multiple Denial of Service Vulnerabilities
Secunia: 56838 - FFmpeg Multiple Vulnerabilities, Moderately Critical

See also: 🔍

Entryinfo

Created: 02/14/2014 09:17
Updated: 04/16/2019 10:38
Changes: 02/14/2014 09:17 (57), 04/16/2019 10:38 (3)
Complete: 🔍
Cache ID: 216:325:103

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

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