Vulnerability Name:

CVE-2016-6832 (CCN-125351)

Assigned:2016-08-07
Published:2016-08-07
Updated:2017-02-17
Summary:Heap-based buffer overflow in the ff_audio_resample function in resample.c in libav before 11.4 allows remote attackers to cause a denial of service (crash) via vectors related to buffer resizing.
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)
4.8 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:O/RC:C)
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
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN 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:O/RC:C)
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
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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-6832

Source: MLIST
Type: Exploit, Mailing List, Third Party Advisory
[oss-security] 20160813 libav: heap-based buffer overflow in ff_audio_resample (resample.c)

Source: MLIST
Type: Exploit, Mailing List, Patch, Third Party Advisory
[oss-security] 20160817 Re: libav: heap-based buffer overflow in ff_audio_resample (resample.c)

Source: CCN
Type: agostino's blog, August 7, 2016
libav: heap-based buffer overflow in ff_audio_resample (resample.c)

Source: MISC
Type: Exploit, Third Party Advisory
https://blogs.gentoo.org/ago/2016/08/07/libav-heap-based-buffer-overflow-in-ff_audio_resample-resample-c/

Source: CONFIRM
Type: Exploit, Issue Tracking, Patch, Third Party Advisory, VDB Entry
https://bugzilla.libav.org/show_bug.cgi?id=825

Source: XF
Type: UNKNOWN
libav-cve20166832-dos(125351)

Source: CONFIRM
Type: Patch
https://git.libav.org/?p=libav.git;a=commit;h=0ac8ff618c5e6d878c547a8877e714ed728950ce

Source: CCN
Type: Libav Web site
Libav

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libav:libav:*:*:*:*:*:*:*:* (Version <= 11.3)

    • Configuration CCN 1:
  • cpe:/a:libav:libav:11.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20166832000
    V
    		CVE-2016-6832 on Ubuntu 12.04 LTS (precise) - medium.
    2017-02-15
    oval:com.ubuntu.trusty:def:20166832000
    V
    		CVE-2016-6832 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-02-15
    BACK
    libav libav *
    libav libav 11.3