VDB-10407 · CVE-2013-4358 · OSVDB 97536

FFmpeg 0.11/0.11.1/0.11.2/0.11.3 Alternating Bit Depths libavcodec/h264.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg 0.11/0.11.1/0.11.2/0.11.3. It has been classified as problematic. Affected by this issue is some unknown functionality of the file libavcodec/h264.c of the component Alternating Bit Depths Handler. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2013-4358. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in FFmpeg 0.11/0.11.1/0.11.2/0.11.3 (Multimedia Processing Software). This affects an unknown code block of the file libavcodec/h264.c of the component Alternating Bit Depths Handler. 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 summary by CVE is:

libavcodec/h264.c in FFmpeg before 0.11.4 allows remote attackers to cause a denial of service (crash) via vectors related to alternating bit depths in H.264 data.

The weakness was disclosed 12/13/2012 as h264: set parameters from SPS whenever it changes as confirmed mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. This vulnerability is uniquely identified as CVE-2013-4358 since 06/12/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.11.4 eliminates this vulnerability. The upgrade is hosted for download at git.libav.org. 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 upgrading to the latest version. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (97536†). The entries VDB-10411, VDB-10410, VDB-10409 and VDB-10408 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • FFmpeg 1.0
  • Libav 0.8.4

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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FFmpeg 0.11.4
Patch: git.videolan.org

Timelineinfo

12/13/2012 🔍
06/12/2013 +181 days 🔍
08/28/2013 +77 days 🔍
09/23/2013 +26 days 🔍
12/24/2013 +92 days 🔍
04/15/2019 +1938 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: h264: set parameters from SPS whenever it changes
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-4358 (🔍)
GCVE (CVE): GCVE-0-2013-4358
GCVE (VulDB): GCVE-100-10407
OSVDB: 97536

See also: 🔍

Entryinfo

Created: 09/23/2013 14:44
Updated: 04/15/2019 09:03
Changes: 09/23/2013 14:44 (52), 04/15/2019 09:03 (11)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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