FFmpeg 2.3.3 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in FFmpeg 2.3.3. This affects an unknown function. Such manipulation leads to input validation. This vulnerability is listed as CVE-2014-8543. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in FFmpeg 2.3.3 (Multimedia Processing Software). It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The issue has been introduced in 08/17/2014. The weakness was presented 10/30/2014 by Mateusz Jurczyk and Gynvael Coldwind (j00ru) with Google Security Team as avcodec/mmvideo: Bounds check 2nd line of HHV Intra blocks as confirmed git commit (GIT Repository). The advisory is available at git.videolan.org. This vulnerability is handled as CVE-2014-8543 since 10/30/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 74 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 81833 (Debian DSA-3189-1 : libav - security update), 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 196036 (Ubuntu Security Notification for Libav Vulnerabilities (USN-2534-1)).

Upgrading to version 2.4.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.videolan.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (99076), Tenable (81833), SecurityFocus (BID 70876†) and Vulnerability Center (SBV-49736†). See VDB-68107, VDB-68317, VDB-68321 and VDB-68322 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81833
Nessus Name: Debian DSA-3189-1 : libav - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703189
OpenVAS Name: Debian Security Advisory DSA 3189-1 (libav - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FFmpeg 2.4.2
Patch: 8b0e96e1f21b761ca15dbb470cd619a1ebf86c3e

Timelineinfo

08/17/2014 🔍
10/03/2014 +47 days 🔍
10/03/2014 +0 days 🔍
10/30/2014 +27 days 🔍
10/30/2014 +0 days 🔍
11/05/2014 +6 days 🔍
12/04/2014 +29 days 🔍
04/16/2015 +133 days 🔍
02/27/2022 +2509 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: avcodec/mmvideo: Bounds check 2nd line of HHV Intra blocks
Researcher: Mateusz Jurczyk, Gynvael Coldwind (j00ru)
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8543 (🔍)
GCVE (CVE): GCVE-0-2014-8543
GCVE (VulDB): GCVE-100-68318

OVAL: 🔍

X-Force: 99076 - FFmpeg mmvideo.c denial of service, Medium Risk
SecurityFocus: 70876 - FFmpeg and Libav 'libavcodec/mmvideo.c' Denial of Service Vulnerability
Vulnerability Center: 49736 - FFmpeg before 2.4.2 Remote DoS or Other Unspecified Impact via Crafted MM Video Data, High

See also: 🔍

Entryinfo

Created: 12/04/2014 09:44
Updated: 02/27/2022 14:00
Changes: 12/04/2014 09:44 (73), 06/26/2017 10:46 (9), 02/27/2022 13:53 (4), 02/27/2022 14:00 (1)
Complete: 🔍
Cache ID: 216:DA8:103

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