CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in FFmpeg (Multimedia Processing Software). This affects the function dv_extract_audio
. 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. The summary by CVE is:
The dv_extract_audio function 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 application crash) via a crafted DV file.
The issue has been introduced in 06/23/2011. The weakness was published 08/20/2012 by Gynvael Coldwind (j00ru) as confirmed git commit (GIT Repository). It is possible to read the advisory at git.libav.org. This vulnerability is uniquely identified as CVE-2011-3936 since 10/01/2011. 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.
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.libav.org.
The vulnerability is also documented in the vulnerability database at Tenable (59094). Similar entries are available at 5073, 5074, 5075 and 61721.
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
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 635bcfccd439480003b74a665b5aa7c872c1ad6b
Timeline
06/23/2011 🔍10/01/2011 🔍
01/30/2012 🔍
01/30/2012 🔍
05/14/2012 🔍
08/20/2012 🔍
08/20/2012 🔍
05/26/2013 🔍
03/23/2015 🔍
12/08/2021 🔍
Sources
Product: ffmpeg.orgAdvisory: DSA-2471
Researcher: Gynvael Coldwind (j00ru)
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2011-3936 (🔍)
OVAL: 🔍
Vulnerability Center: 39701 - Ffmpeg\\Libav \x27dv_extract_audio\x27 Function Allows Remote DoS via a Crafted DV File, Medium
SecurityFocus: 51720 - FFmpeg Multiple Remote Vulnerabilities
Secunia: 49089 - Debian update for ffmpeg, Highly Critical
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 12/08/2021 01:12
Changes: 03/23/2015 16:50 (69), 04/30/2017 12:42 (11), 12/08/2021 00:58 (4), 12/08/2021 01:12 (2)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.