libav up to 11.4 aac_parser.c aac_sync out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in libav up to 11.4. This issue affects the function aac_sync of the file aac_parser.c. This manipulation causes out-of-bounds. This vulnerability is handled as CVE-2016-7393. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in libav up to 11.4 (Multimedia Player Software). It has been declared as critical. Affected by this vulnerability is the function aac_sync of the file aac_parser.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the aac_sync function in aac_parser.c in Libav before 11.5 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted file.

The bug was discovered 02/15/2017. The weakness was released 02/15/2017 by Agostino Sarubbo with Gentoo (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2016-7393 since 09/09/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 93847 (Debian DLA-644-1 : 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 to version 11.5 eliminates this vulnerability. The upgrade is hosted for download at git.libav.org. 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 (93847) and SecurityFocus (BID 92902†). Entries connected to this vulnerability are available at VDB-96995, VDB-96993, VDB-96992 and VDB-96988. 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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 93847
Nessus Name: Debian DLA-644-1 : 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: 🔍

Upgrade: libav 11.5

Timelineinfo

09/09/2016 🔍
09/10/2016 +1 days 🔍
10/04/2016 +24 days 🔍
10/05/2016 +1 days 🔍
02/15/2017 +133 days 🔍
02/15/2017 +0 days 🔍
02/15/2017 +0 days 🔍
02/16/2017 +1 days 🔍
08/15/2020 +1276 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7393 (🔍)
GCVE (CVE): GCVE-0-2016-7393
GCVE (VulDB): GCVE-100-96991
SecurityFocus: 92902 - Libav CVE-2016-7393 Stack Based Buffer Overflow Vulnerability
OSVDB: - CVE-2016-7393 - Libav - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 02/16/2017 08:57
Updated: 08/15/2020 07:04
Changes: 02/16/2017 08:57 (70), 08/15/2020 07:04 (7)
Complete: 🔍
Cache ID: 216::103

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

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