FFmpeg up to 0.8.10 nsvdec.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in FFmpeg up to 0.8.10. This affects an unknown function of the file nsvdec.c. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2011-3940. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in FFmpeg up to 0.8.10 (Multimedia Processing Software). This vulnerability affects an unknown code block of the file nsvdec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

nsvdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (out-of-bounds read and write) via a crafted NSV file that triggers "use of uninitialized streams."

The issue has been introduced in 06/23/2011. The weakness was released 08/20/2012 as confirmed git commit (GIT Repository). The advisory is shared for download at git.videolan.org. This vulnerability was named CVE-2011-3940 since 10/01/2011. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 424 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 59094 (Debian DSA-2471-1 : ffmpeg - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175239 (Debian Security Update for FFmpeg (DSA-2471)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org.

The vulnerability is also documented in the databases at Tenable (59094), Secunia (SA49089†) and Vulnerability Center (SBV-35739†). Entries connected to this vulnerability are available at VDB-5073, VDB-5074, VDB-5075 and VDB-61721. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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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Nessus ID: 59094
Nessus Name: Debian DSA-2471-1 : ffmpeg - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892471
OpenVAS Name: Debian Security Advisory DSA 2471-1 (ffmpeg - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 5c011706bc752d34bc6ada31d7df2ca0c9af7c6b

Timelineinfo

06/23/2011 🔍
10/01/2011 +100 days 🔍
05/14/2012 +226 days 🔍
07/05/2012 +52 days 🔍
07/26/2012 +21 days 🔍
08/20/2012 +25 days 🔍
08/20/2012 +0 days 🔍
03/23/2015 +945 days 🔍
12/08/2021 +2452 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: DSA-2471
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3940 (🔍)
GCVE (CVE): GCVE-0-2011-3940
GCVE (VulDB): GCVE-100-61696

OVAL: 🔍

Secunia: 49089 - Debian update for ffmpeg, Highly Critical
Vulnerability Center: 35739 - Ffmpeg Before 0.7.12 and 0.8.11 Remote Code Execution via a Crafted NSV File, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/08/2021 01:26
Changes: 03/23/2015 16:50 (61), 04/15/2017 16:01 (13), 12/08/2021 01:19 (4), 12/08/2021 01:26 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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