Vulnerability Name:

CVE-2016-7477 (CCN-125066)

Assigned:2016-09-09
Published:2017-02-15
Updated:2017-02-17
Summary:The ff_put_pixels8_xy2_mmx function in rnd_template.c in Libav 11.7 allows remote attackers to cause a denial of service (invalid memory access and crash) via a crafted mp3 file.
Note: this issue was originally reported as involving a NULL pointer dereference.
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
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)
4.9 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: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
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-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-7477

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20160921 Re: libav: NULL pointer dereference in ff_put_pixels8_xy2_mmx (rnd_template.c)

Source: BID
Type: Third Party Advisory, VDB Entry
93042

Source: CCN
Type: agostino's blog, September 20, 2016
libav: invalid memory access in ff_put_pixels8_xy2_mmx (rnd_template.c)

Source: MISC
Type: Third Party Advisory, VDB Entry
https://blogs.gentoo.org/ago/2016/09/20/libav-null-pointer-dereference-in-ff_put_pixels8_xy2_mmx-rnd_template-c/

Source: XF
Type: UNKNOWN
libav-cve20167477-dos(125066)

Source: CCN
Type: Libav Web site
Libav

Vulnerable Configuration:Configuration 1:
  • cpe:/a:libav:libav:11.7:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:libav:libav:11.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20167477000
    V
    		CVE-2016-7477 on Ubuntu 12.04 LTS (precise) - low.
    2017-02-15
    oval:com.ubuntu.trusty:def:20167477000
    V
    		CVE-2016-7477 on Ubuntu 14.04 LTS (trusty) - low.
    2017-02-15
    BACK
    libav libav 11.7
    libav libav 11.7