FFmpeg up to 3.1.3 AVI File libavformat/avidec.c avi_read_header strh information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg up to 3.1.3 and classified as problematic. Affected by this vulnerability is the function avi_read_header of the file libavformat/avidec.c of the component AVI File Handler. The manipulation of the argument strh results in information disclosure. This vulnerability is cataloged as CVE-2016-7555. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in FFmpeg up to 3.1.3 (Multimedia Processing Software). Affected is the function avi_read_header of the file libavformat/avidec.c of the component AVI File Handler. The manipulation of the argument strh with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on availability. CVE summarizes:

The avi_read_header function in libavformat/avidec.c in FFmpeg before 3.1.4 is vulnerable to memory leak when decoding an AVI file that has a crafted "strh" structure.

The bug was discovered 12/23/2016. The weakness was shared 12/23/2016 with Qihoo 360 (Website). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2016-7555 since 09/09/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 94129 (openSUSE Security Update : ffmpeg (openSUSE-2016-1203)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169282 (OpenSuSE Security Update for ffmpeg (openSUSE-SU-2016:2556-1)).

Upgrading to version 3.1.4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94129) and SecurityFocus (BID 94838†). The entries VDB-94641, VDB-94642, VDB-94643 and VDB-94645 are related to this item. Once again VulDB remains the best 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: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94129
Nessus Name: openSUSE Security Update : ffmpeg (openSUSE-2016-1203)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FFmpeg 3.1.4

Timelineinfo

09/09/2016 🔍
10/08/2016 +29 days 🔍
10/18/2016 +10 days 🔍
10/19/2016 +1 days 🔍
12/23/2016 +65 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
07/15/2019 +934 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: openwall.com
Organization: Qihoo 360
Status: Not defined

CVE: CVE-2016-7555 (🔍)
GCVE (CVE): GCVE-0-2016-7555
GCVE (VulDB): GCVE-100-94644
SecurityFocus: 94838 - FFmpeg CVE-2016-7555 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 12/23/2016 10:13
Updated: 07/15/2019 07:20
Changes: 12/23/2016 10:13 (71), 07/15/2019 07:20 (6)
Complete: 🔍
Cache ID: 216:B93:103

Once again VulDB remains the best source for vulnerability data.

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