FFmpeg 1.0 libavcodec/pgssubdec.c parse_picture_segment memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in FFmpeg 1.0 and classified as problematic. The impacted element is the function parse_picture_segment of the file libavcodec/pgssubdec.c. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2013-0852. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in FFmpeg 1.0 (Multimedia Processing Software). It has been classified as critical. This affects the function parse_picture_segment of the file libavcodec/pgssubdec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The parse_picture_segment function in libavcodec/pgssubdec.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via crafted RLE data, which triggers an out-of-bounds array access.

The issue has been introduced in 09/30/2012. The weakness was shared 11/15/2012 by Mateusz Jurczyk and Gynvael Coldwind (j00ru) with Google Security Team as pgssubdec: check RLE size before copying. Fix out of array accesses as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The vendor cooperated in the coordination of the public release. This vulnerability is uniquely identified as CVE-2013-0852 since 01/07/2013. 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 46 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 77122 (Debian DSA-3003-1 : 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.

Upgrading to version 1.1 eliminates this vulnerability. The upgrade is hosted for download at git.videolan.org. 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. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (89882), Tenable (77122), SecurityFocus (BID 63796†), OSVDB (94253†) and Vulnerability Center (SBV-45872†). The entries VDB-7505, VDB-7627, VDB-9154 and VDB-9155 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 77122
Nessus Name: Debian DSA-3003-1 : libav - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703003
OpenVAS Name: Debian Security Advisory DSA 3003-1 (libav - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FFmpeg 1.1
Patch: git.videolan.org

Timelineinfo

09/30/2012 🔍
11/15/2012 +46 days 🔍
11/15/2012 +0 days 🔍
12/12/2012 +27 days 🔍
12/12/2012 +0 days 🔍
01/07/2013 +26 days 🔍
06/17/2013 +161 days 🔍
12/07/2013 +173 days 🔍
08/18/2014 +254 days 🔍
05/17/2021 +2464 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: pgssubdec: check RLE size before copying. Fix out of array accesses
Researcher: Mateusz Jurczyk, Gynvael Coldwind (j00ru)
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0852 (🔍)
GCVE (CVE): GCVE-0-2013-0852
GCVE (VulDB): GCVE-100-9159

OVAL: 🔍

X-Force: 89882
SecurityFocus: 63796 - FFmpeg and Libav Multiple Remote Security Vulnerabilities
OSVDB: 94253
Vulnerability Center: 45872 - FFmpeg Before 1.1 Unspecified Remote Vulnerability via a Crafted RLE Data, Critical

See also: 🔍

Entryinfo

Created: 06/17/2013 10:44
Updated: 05/17/2021 06:43
Changes: 06/17/2013 10:44 (74), 06/04/2017 10:57 (12), 05/17/2021 06:43 (3)
Complete: 🔍
Cache ID: 216:7DD:103

Be aware that VulDB is the high quality source for vulnerability data.

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