VDB-97411 · CVE-2016-9824 · BID 94732

libav 11.8 libswscale/x86/swscale.c integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in libav 11.8. The affected element is an unknown function of the file libswscale/x86/swscale.c. This manipulation causes integer overflow. This vulnerability is handled as CVE-2016-9824. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability has been found in libav 11.8 (Multimedia Player Software) and classified as problematic. Affected by this vulnerability is some unknown processing of the file libswscale/x86/swscale.c. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect availability. The summary by CVE is:

Integer overflow in libswscale/x86/swscale.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via a crafted file.

The bug was discovered 12/01/2016. The weakness was released 03/01/2017 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2016-9824 since 12/04/2016. 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 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 90 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94732†). Entries connected to this vulnerability are available at VDB-97406, VDB-97407, VDB-97408 and VDB-97409. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

libav

Version

11.8

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
12/01/2016 +0 days 🔍
12/04/2016 +3 days 🔍
03/01/2017 +87 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-2016-9824 (🔍)
GCVE (CVE): GCVE-0-2016-9824
GCVE (VulDB): GCVE-100-97411
SecurityFocus: 94732 - Libav Multiple Denial of Service Vulnerabilities
OSVDB: - CVE-2016-9824 - libav - Integer Overflow Issue

See also: 🔍

Entryinfo

Created: 03/02/2017 09:57
Updated: 09/03/2020 09:22
Changes: 03/02/2017 09:57 (59), 09/03/2020 09:22 (6)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.