FFmpeg 2.3.3 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 2.3.3. Affected by this vulnerability is an unknown functionality. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2014-8547. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg 2.3.3 (Multimedia Processing Software). This issue affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

libavcodec/gifdec.c in FFmpeg before 2.4.2 does not properly compute image heights, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted GIF data.

The issue has been introduced in 08/17/2014. The weakness was released 10/30/2014 by Mateusz Jurczyk and Gynvael Coldwind (j00ru) with Google Security Team as avcodec/gifdec: factorize interleave end handling out as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. The identification of this vulnerability is CVE-2014-8547 since 10/30/2014. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly 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 (99079), Tenable (81833), SecurityFocus (BID 70884†) and Vulnerability Center (SBV-49726†). Entries connected to this vulnerability are available at VDB-68107, VDB-68318, VDB-68322 and VDB-68834. If you want to get the best quality for vulnerability data then you always have to consider 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: Memory corruption
CWE: CWE-119
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: 8f1457864be8fb9653643519dea1c6492f1dde57

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/gifdec: factorize interleave end handling out
Researcher: Mateusz Jurczyk, Gynvael Coldwind (j00ru)
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8547 (🔍)
GCVE (CVE): GCVE-0-2014-8547
GCVE (VulDB): GCVE-100-68321

OVAL: 🔍

X-Force: 99079 - FFmpeg gifdec.c denial of service, Medium Risk
SecurityFocus: 70884 - FFmpeg and Libav 'libavcodec/gifdec.c' Denial of Service Vulnerability
Vulnerability Center: 49726 - FFmpeg before 2.4.2 Remote DoS or Other Unspecified Impact via Crafted GIF Data, High

See also: 🔍

Entryinfo

Created: 12/04/2014 09:47
Updated: 02/27/2022 14:13
Changes: 12/04/2014 09:47 (74), 06/26/2017 10:43 (9), 02/27/2022 14:13 (4)
Complete: 🔍
Cache ID: 216:76F:103

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