FFmpeg up to 2.7.1 libavcodec/rv34.c ff_rv34_decode_init_thread_copy input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in FFmpeg up to 2.7.1 and classified as problematic. This affects the function ff_rv34_decode_init_thread_copy of the file libavcodec/rv34.c. The manipulation leads to input validation. This vulnerability is documented as CVE-2015-6826. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FFmpeg up to 2.7.1 (Multimedia Processing Software). This issue affects the function ff_rv34_decode_init_thread_copy of the file libavcodec/rv34.c. 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 summary by CVE is:

The ff_rv34_decode_init_thread_copy function in libavcodec/rv34.c in FFmpeg before 2.7.2 does not initialize certain structure members, which allows remote attackers to cause a denial of service (invalid pointer access) via crafted (1) RV30 or (2) RV40 RealVideo data.

The weakness was released 09/06/2015 (Website). It is possible to read the advisory at git.videolan.org. The identification of this vulnerability is CVE-2015-6826 since 09/05/2015. 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 scanner Nessus provides a plugin with the ID 86044 (FreeBSD : ffmpeg -- multiple vulnerabilities (3d950687-b4c9-4a86-8478-c56743547af8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176784 (Debian Security Update for libav (DLA 1611-1)).

Upgrading to version 2.7.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86044), SecurityFocus (BID 77073†) and Vulnerability Center (SBV-53330†). Entries connected to this vulnerability are available at VDB-73166, VDB-77583, VDB-77584 and VDB-77585. 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86044
Nessus Name: FreeBSD : ffmpeg -- multiple vulnerabilities (3d950687-b4c9-4a86-8478-c56743547af8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for libav USN-2944-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: FFmpeg 2.7.2
Patch: 3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a

Timelineinfo

09/05/2015 🔍
09/05/2015 +0 days 🔍
09/05/2015 +0 days 🔍
09/06/2015 +1 days 🔍
09/07/2015 +1 days 🔍
10/09/2015 +32 days 🔍
06/14/2022 +2440 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: USN-2944-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6826 (🔍)
GCVE (CVE): GCVE-0-2015-6826
GCVE (VulDB): GCVE-100-77591
SecurityFocus: 77073
SecurityTracker: 1033483
Vulnerability Center: 53330 - FFmpeg before 2.7.2 Remote DoS or Unspecified Other Impact in ff_rv34_decode_init_thread_copy Function, High

See also: 🔍

Entryinfo

Created: 09/07/2015 10:13
Updated: 06/14/2022 11:55
Changes: 09/07/2015 10:13 (56), 02/04/2018 10:32 (12), 06/14/2022 11:48 (6), 06/14/2022 11:55 (1)
Complete: 🔍
Cache ID: 216::103

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