FFmpeg up to 2.7.1 libavcodec/pngdec.c decode_ihdr_chunk

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

Summaryinfo

A vulnerability identified as problematic has been detected in FFmpeg up to 2.7.1. Affected by this vulnerability is the function decode_ihdr_chunk of the file libavcodec/pngdec.c. Performing a manipulation results in denial of service. This vulnerability was named CVE-2015-6818. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in FFmpeg up to 2.7.1 (Multimedia Processing Software). This affects the function decode_ihdr_chunk of the file libavcodec/pngdec.c. The manipulation with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on availability. The summary by CVE is:

The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more or these chunks.

The weakness was presented 09/06/2015 (Website). It is possible to read the advisory at git.videolan.org. This vulnerability is uniquely identified as CVE-2015-6818 since 09/05/2015. 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 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-53324†). See VDB-73166, VDB-77584, VDB-77585 and VDB-77586 for similar entries. 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

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code
CWE: CWE-17
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: 47f4e2d8960ca756ca153ab8e3e93d80449b8c91

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-2015-6818 (🔍)
GCVE (CVE): GCVE-0-2015-6818
GCVE (VulDB): GCVE-100-77583
SecurityFocus: 77073
SecurityTracker: 1033483
Vulnerability Center: 53324 - FFmpeg before 2.7.2 Remote DoS or Unspecified Other Impact in decode_ihdr_chunk Function via a Crafted Image, High

See also: 🔍

Entryinfo

Created: 09/07/2015 10:12
Updated: 06/14/2022 10:10
Changes: 09/07/2015 10:12 (62), 02/04/2018 10:29 (6), 06/14/2022 10:05 (6), 06/14/2022 10:10 (1)
Complete: 🔍
Cache ID: 216:F1E:103

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