FFmpeg up to 2.8.4 MOV File libavformat/asfenc.c asf_write_packet memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg up to 2.8.4. It has been rated as critical. This vulnerability affects the function asf_write_packet of the file libavformat/asfenc.c of the component MOV File Handler. This manipulation causes memory corruption. This vulnerability is handled as CVE-2016-2326. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in FFmpeg up to 2.8.4 (Multimedia Processing Software) and classified as critical. Affected by this vulnerability is the function asf_write_packet of the file libavformat/asfenc.c of the component MOV File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the asf_write_packet function in libavformat/asfenc.c in FFmpeg before 2.8.5 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted PTS (aka presentation timestamp) value in a .mov file.

The weakness was released 02/12/2016 by Gynvael Coldwind (j00ru) as confirmed git commit (GIT Repository). The advisory is shared at git.videolan.org. This vulnerability is known as CVE-2016-2326 since 02/11/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 89696 (Debian DSA-3506-1 : 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 and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196441 (Ubuntu Security Notification for Libav Vulnerabilities (USN-2944-1)).

Upgrading to version 2.8.5 eliminates this vulnerability. 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 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (89696), SecurityFocus (BID 84165†) and Vulnerability Center (SBV-57392†). Entries connected to this vulnerability are available at VDB-68316, VDB-75955, VDB-79343 and VDB-80278. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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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: 89696
Nessus Name: Debian DSA-3506-1 : libav - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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: 🔍

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

Upgrade: FFmpeg 2.8.5
Patch: 7c0b84d89911b2035161f5ef51aafbfcc84aa9e2

Timelineinfo

02/02/2016 🔍
02/11/2016 +9 days 🔍
02/12/2016 +1 days 🔍
02/12/2016 +0 days 🔍
02/12/2016 +0 days 🔍
02/13/2016 +1 days 🔍
03/04/2016 +20 days 🔍
03/07/2016 +3 days 🔍
03/17/2016 +10 days 🔍
07/08/2022 +2304 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: USN-2944-1
Researcher: Gynvael Coldwind (j00ru)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2326 (🔍)
GCVE (CVE): GCVE-0-2016-2326
GCVE (VulDB): GCVE-100-80941

OVAL: 🔍

SecurityFocus: 84165 - FFmpeg CVE-2016-2326 Integer Overflow Vulnerability
SecurityTracker: 1035010
Vulnerability Center: 57392 - FFmpeg Remote DoS or Code Execution in libavformat/asfenc.c, Medium

See also: 🔍

Entryinfo

Created: 02/13/2016 11:01
Updated: 07/08/2022 06:01
Changes: 02/13/2016 11:01 (78), 02/01/2019 14:42 (15), 07/08/2022 06:01 (5)
Complete: 🔍
Cache ID: 216::103

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