libav 11.8 mpegvideo_motion.c numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in libav 11.8. This affects an unknown part of the file libavcodec/mpegvideo_motion.c. Performing a manipulation results in numeric error. This vulnerability is reported as CVE-2016-9820. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in libav 11.8 (Multimedia Player Software). This affects some unknown functionality of the file libavcodec/mpegvideo_motion.c. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on availability. The summary by CVE is:

libavcodec/mpegvideo_motion.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

The bug was discovered 12/01/2016. The weakness was disclosed 03/01/2017 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-9820 since 12/04/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96635 (Debian DLA-791-1 : 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.

Upgrading 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 (96635) and SecurityFocus (BID 94732†). The entries VDB-97406, VDB-97408, VDB-97409 and VDB-97410 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 96635
Nessus Name: Debian DLA-791-1 : libav security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
12/01/2016 +0 days 🔍
12/04/2016 +3 days 🔍
01/19/2017 +46 days 🔍
01/20/2017 +1 days 🔍
03/01/2017 +40 days 🔍
03/01/2017 +0 days 🔍
03/02/2017 +1 days 🔍
09/03/2020 +1281 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined

CVE: CVE-2016-9820 (🔍)
GCVE (CVE): GCVE-0-2016-9820
GCVE (VulDB): GCVE-100-97407
SecurityFocus: 94732 - Libav Multiple Denial of Service Vulnerabilities
OSVDB: - CVE-2016-9820 - libav - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/02/2017 09:55
Updated: 09/03/2020 09:12
Changes: 03/02/2017 09:55 (66), 09/03/2020 09:12 (8)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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