Vulnerability Name:

CVE-2019-1000016 (CCN-157432)

Assigned:2018-12-02
Published:2018-12-02
Updated:2019-02-06
Summary:FFMPEG version 4.1 contains a CWE-129: Improper Validation of Array Index vulnerability in libavcodec/cbs_av1.c that can result in Denial of service. This attack appears to be exploitable via specially crafted AV1 file has to be provided as input. This vulnerability appears to have been fixed in after commit b97a4b658814b2de8b9f2a3bce491c002d34de31.
CVSS v3 Severity:6.5 Medium (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 (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:O/RC:C)
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
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/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): Low
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
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-129
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-1000016

Source: XF
Type: UNKNOWN
ffmpeg-cve20191000016-dos(157432)

Source: CCN
Type: FFmpeg GIT Repository
cbs_av1: Fix reading of overlong uvlc codes

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/b97a4b658814b2de8b9f2a3bce491c002d34de31#diff-cd7e24986650014d67f484f3ffceef3f

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:20191000016000
    V
    		CVE-2019-1000016 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-04
    oval:com.ubuntu.bionic:def:201910000160000000
    V
    		CVE-2019-1000016 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-04
    oval:com.ubuntu.cosmic:def:20191000016000
    V
    		CVE-2019-1000016 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-04
    oval:com.ubuntu.xenial:def:201910000160000000
    V
    		CVE-2019-1000016 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-02-04
    oval:com.ubuntu.xenial:def:20191000016000
    V
    		CVE-2019-1000016 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-02-04
    oval:com.ubuntu.disco:def:201910000160000000
    V
    		CVE-2019-1000016 on Ubuntu 19.04 (disco) - medium.
    2019-02-04
    oval:com.ubuntu.cosmic:def:201910000160000000
    V
    		CVE-2019-1000016 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-04
    BACK
    ffmpeg ffmpeg 4.1
    ffmpeg ffmpeg 4.1