Vulnerability Name:

CVE-2016-9819 (CCN-122691)

Assigned:2016-12-01
Published:2016-12-01
Updated:2017-03-03
Summary:libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-189
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-9819

Source: BID
Type: UNKNOWN
94732

Source: CCN
Type: BID-94732
Libav Multiple Denial of Service Vulnerabilities

Source: CCN
Type: agostino's blog, December 1, 2016
libav: multiple crashes from the Undefined Behavior Sanitizer

Source: MISC
Type: Exploit, Third Party Advisory
https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/

Source: XF
Type: UNKNOWN
libav-mpegvideo-cve20169819-dos(122691)

Source: CCN
Type: libav Web site
Libav

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libav:libav:11.8:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:libav:libav:11.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20169819000
    V
    		CVE-2016-9819 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-01
    oval:com.ubuntu.trusty:def:20169819000
    V
    		CVE-2016-9819 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-01
    BACK
    libav libav 11.8
    libav libav 11.8