Vulnerability Name:

CVE-2016-7393 (CCN-125065)

Assigned:2016-09-09
Published:2017-02-15
Updated:2017-02-17
Summary: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.
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-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-7393

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20160910 Re: libav: out-of-bounds stack read

Source: BID
Type: Third Party Advisory, VDB Entry
92902

Source: CCN
Type: BID-92902
Libav CVE-2016-7393 Stack Based Buffer Overflow Vulnerability

Source: CCN
Type: agostino's blog, August 20, 2016
libav: stack-based buffer overflow in aac_sync (aac_parser.c)

Source: MISC
Type: Patch, Third Party Advisory, VDB Entry
https://blogs.gentoo.org/ago/2016/08/20/libav-stack-based-buffer-overflow-in-aac_sync-aac_parser-c/

Source: XF
Type: UNKNOWN
libav-cve20167393-dos(125065)

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://git.libav.org/?p=libav.git;a=commit;h=fb1473080223a634b8ac2cca48a632d037a0a69d

Source: CCN
Type: Libav Web site
Libav

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libav:libav:*:*:*:*:*:*:*:* (Version <= 11.4)

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201673930000000
    V
    		CVE-2016-7393 on Ubuntu 18.04 LTS (bionic) - low.
    2017-02-15
    oval:com.ubuntu.artful:def:20167393000
    V
    		CVE-2016-7393 on Ubuntu 17.10 (artful) - low.
    2017-02-15
    oval:com.ubuntu.trusty:def:20167393000
    V
    		CVE-2016-7393 on Ubuntu 14.04 LTS (trusty) - low.
    2017-02-15
    oval:com.ubuntu.xenial:def:201673930000000
    V
    		CVE-2016-7393 on Ubuntu 16.04 LTS (xenial) - low.
    2017-02-15
    oval:com.ubuntu.bionic:def:20167393000
    V
    		CVE-2016-7393 on Ubuntu 18.04 LTS (bionic) - low.
    2017-02-15
    oval:com.ubuntu.xenial:def:20167393000
    V
    		CVE-2016-7393 on Ubuntu 16.04 LTS (xenial) - low.
    2017-02-15
    oval:com.ubuntu.cosmic:def:20167393000
    V
    		CVE-2016-7393 on Ubuntu 18.10 (cosmic) - low.
    2017-02-15
    oval:com.ubuntu.cosmic:def:201673930000000
    V
    		CVE-2016-7393 on Ubuntu 18.10 (cosmic) - low.
    2017-02-15
    oval:com.ubuntu.precise:def:20167393000
    V
    		CVE-2016-7393 on Ubuntu 12.04 LTS (precise) - low.
    2017-02-15
    BACK
    libav libav *
    libav libav 11.3