Vulnerability Name:

CVE-2020-22027 (CCN-202737)

Assigned:2019-07-07
Published:2019-07-07
Updated:2021-11-05
Summary:A heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/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): High
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-22027

Source: XF
Type: UNKNOWN
ffmpeg-cve202022027-bo(202737)

Source: MISC
Type: Vendor Advisory
https://trac.ffmpeg.org/attachment/ticket/8242/gdb-vf_neighbor_191

Source: CCN
Type: ffmpeg Ticket #8242
heap-buffer-overflow at libavfilter/vf_neighbor.c

Source: MISC
Type: Exploit, Issue Tracking, Vendor Advisory
https://trac.ffmpeg.org/ticket/8242

Source: DEBIAN
Type: Third Party Advisory
DSA-4990

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-22027

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ffmpeg ffmpeg 4.2 -
    debian debian linux 10.0
    ffmpeg ffmpeg 4.2 -