FFmpeg up to 2.7.1 libavcodec/mpegvideo.c ff_mpv_common_init input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in FFmpeg up to 2.7.1 (Multimedia Processing Software). It has been classified as problematic. Affected is the function ff_mpv_common_init
of the file libavcodec/mpegvideo.c. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. CVE summarizes:
The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.
The weakness was released 09/06/2015 (Website). The advisory is available at git.videolan.org. This vulnerability is traded as CVE-2015-6821 since 09/05/2015. 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 vulnerability scanner Nessus provides a plugin with the ID 86044 (FreeBSD : ffmpeg -- multiple vulnerabilities (3d950687-b4c9-4a86-8478-c56743547af8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176784 (Debian Security Update for libav (DLA 1611-1)).
Upgrading to version 2.7.2 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (86044), SecurityFocus (BID 77073†) and Vulnerability Center (SBV-53323†). Entries connected to this vulnerability are available at VDB-73166, VDB-77583, VDB-77584 and VDB-77585.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 86044
Nessus Name: FreeBSD : ffmpeg -- multiple vulnerabilities (3d950687-b4c9-4a86-8478-c56743547af8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 12024
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0018
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Upgrade: FFmpeg 2.7.2
Patch: b160fc290cf49b516c5b6ee0730fd9da7fc623b1
Timeline
09/05/2015 🔍09/05/2015 🔍
09/05/2015 🔍
09/06/2015 🔍
09/07/2015 🔍
10/09/2015 🔍
06/14/2022 🔍
Sources
Product: ffmpeg.orgAdvisory: DLA 1611-1
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-6821 (🔍)
SecurityFocus: 77073
SecurityTracker: 1033483
Vulnerability Center: 53323 - FFmpeg before 2.7.2 Remote DoS or Unspecified Other Impact in ff_mpv_common_init Function via Crafted MPEG Data, High
See also: 🔍
Entry
Created: 09/07/2015 10:12 AMUpdated: 06/14/2022 10:48 AM
Changes: 09/07/2015 10:12 AM (62), 02/04/2018 10:28 AM (6), 06/14/2022 10:42 AM (6), 06/14/2022 10:48 AM (1)
Complete: 🔍
Cache ID: 3:5CD:40
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