FFmpeg 1.0 Buffer Size libavcodec/iff.c decode_frame_ilbm input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in FFmpeg 1.0. This vulnerability affects the function decode_frame_ilbm of the file libavcodec/iff.c of the component Buffer Size Handler. The manipulation leads to input validation. This vulnerability is referenced as CVE-2013-0857. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FFmpeg 1.0 (Multimedia Processing Software). This issue affects the function decode_frame_ilbm of the file libavcodec/iff.c of the component Buffer Size Handler. 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 confidentiality, integrity, and availability. The summary by CVE is:

The decode_frame_ilbm function in libavcodec/iff.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via a crafted height value in IFF PBM/ILBM bitmap data.

The issue has been introduced in 09/30/2012. The weakness was published 11/09/2012 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as atrac3dec: Check coding mode against channels. as confirmed git commit (GIT Repository). It is possible to read the advisory at git.videolan.org. The public release has been coordinated with the project team. The identification of this vulnerability is CVE-2013-0857 since 01/07/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful 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 40 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 70807 (Debian DSA-2793-1 : libav - 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.

Upgrading to version 1.1 eliminates this vulnerability. The upgrade is hosted for download at git.videolan.org. Applying the patch atrac3dec: Check coding mode against channels. 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 Tenable (70807), SecurityFocus (BID 63796†), OSVDB (94249†) and Vulnerability Center (SBV-42390†). Similar entries are available at VDB-9154, VDB-9158, VDB-9159 and VDB-9160. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70807
Nessus Name: Debian DSA-2793-1 : libav - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892793
OpenVAS Name: Debian Security Advisory DSA 2793-1 (libav - several vulnerabilities
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: atrac3dec: Check coding mode against channels.

Timelineinfo

09/30/2012 🔍
11/09/2012 +40 days 🔍
11/09/2012 +0 days 🔍
12/12/2012 +32 days 🔍
12/12/2012 +0 days 🔍
01/07/2013 +26 days 🔍
06/17/2013 +161 days 🔍
11/27/2013 +163 days 🔍
12/07/2013 +10 days 🔍
05/14/2021 +2715 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: atrac3dec: Check coding mode against channels.
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0857 (🔍)
GCVE (CVE): GCVE-0-2013-0857
GCVE (VulDB): GCVE-100-9155

OVAL: 🔍

SecurityFocus: 63796
OSVDB: 94249
Vulnerability Center: 42390 - Libav Before 0.8.9 Remote Unspecified Code Execution Vulnerability (CVE-2013-0857), Critical

See also: 🔍

Entryinfo

Created: 06/17/2013 10:18
Updated: 05/14/2021 23:04
Changes: 06/17/2013 10:18 (81), 05/15/2017 12:11 (2), 05/14/2021 22:49 (4), 05/14/2021 23:04 (1)
Complete: 🔍
Cache ID: 216::103

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