VDB-10514 · OSVDB 97897 · GCVE-100-10514

FFmpeg 2.0 Deflate Decoding libavcodec/pngdec.c png_decode_idat denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in FFmpeg 2.0. This impacts the function png_decode_idat of the file libavcodec/pngdec.c of the component Deflate Decoding Handler. Such manipulation leads to denial of service. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FFmpeg 2.0 (Multimedia Processing Software). Affected by this issue is the function png_decode_idat of the file libavcodec/pngdec.c of the component Deflate Decoding Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The issue has been introduced in 07/11/2013. The weakness was shared 09/29/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as pngdec: Stop trying to decode once inflate returns Z_STREAM_END as confirmed git commit (GIT Repository). The advisory is available at git.libav.org. The vendor cooperated in the coordination of the public release. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 80 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.libav.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 (97897†). The entries VDB-10518, VDB-10517, VDB-10516 and VDB-10515 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • FFmpeg 2.0
  • Libav 9.9

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: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: 🔍

Patch: git.libav.org

Timelineinfo

07/11/2013 🔍
09/29/2013 +80 days 🔍
09/29/2013 +0 days 🔍
10/01/2013 +2 days 🔍
04/16/2019 +2023 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: pngdec: Stop trying to decode once inflate returns Z_STREAM_END
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10514
OSVDB: 97897

See also: 🔍

Entryinfo

Created: 10/01/2013 12:52
Updated: 04/16/2019 07:35
Changes: 10/01/2013 12:52 (52), 04/16/2019 07:35 (2)
Complete: 🔍
Cache ID: 216:860:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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