Summaryinfo

A vulnerability labeled as critical has been found in FFmpeg 2.1. The impacted element is the function hls_slice_header of the file libavcodec/hevc.c. The manipulation results in memory corruption. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as very critical, was found in FFmpeg 2.1 (Multimedia Processing Software). Affected is the function hls_slice_header of the file libavcodec/hevc.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 issue has been introduced in 10/29/2013. The weakness was disclosed 02/01/2014 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as hevc: Reject impossible slice segment as confirmed git commit (GIT Repository). The advisory is available at git.videolan.org. The public release has been coordinated in cooperation with the vendor. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/18/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 95 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 vulnerability database at OSVDB (102887†). The entries VDB-12166, VDB-12165, VDB-12164 and VDB-12163 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• FFmpeg 2.1
• Libav 0.8.9

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

Version

• 2.1

License

• open-source

Website

• Product: https://ffmpeg.org/

CPE 2.3info

• 🔍

CPE 2.2info

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