FFmpeg up to 2.7.1 libswscale/utils.c sws_init_context 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, which was classified as problematic, has been found in FFmpeg up to 2.7.1. The affected element is the function sws_init_context of the file libswscale/utils.c. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2015-6824. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in FFmpeg up to 2.7.1 (Multimedia Processing Software). This affects the function sws_init_context of the file libswscale/utils.c. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

The sws_init_context function in libswscale/utils.c in FFmpeg before 2.7.2 does not initialize certain pixbuf data structures, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted video data.

The weakness was shared 09/06/2015 (Website). The advisory is shared at git.videolan.org. This vulnerability is uniquely identified as CVE-2015-6824 since 09/05/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

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 176785 (Debian Security Update for libav (DLA 1611-2)).

Upgrading to version 2.7.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86044) and Vulnerability Center (SBV-53328†). The entries VDB-77583, VDB-77584, VDB-77585 and VDB-77586 are related to this item. 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: 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: a5d44d5c220e12ca0cb7a4eceb0f74759cb13111

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-2015-6824 (🔍)
GCVE (CVE): GCVE-0-2015-6824
GCVE (VulDB): GCVE-100-77589
SecurityTracker: 1033483
Vulnerability Center: 53328 - FFmpeg before 2.7.2 Remote DoS or Unspecified Other Impact in sws_init_context Function via Crafted Video Data, High

See also: 🔍

Entryinfo

Created: 09/07/2015 10:12
Updated: 06/14/2022 11:27
Changes: 09/07/2015 10:12 (61), 02/04/2018 10:31 (6), 06/14/2022 11:20 (6), 06/14/2022 11:27 (1)
Complete: 🔍
Cache ID: 216:048:103

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