CVE-2020-18778

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-18778
In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_p_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://bugzilla.libav.org/show_bug.cgi?id=1155 Broken Link Exploit Issue Tracking Third Party Advisory
https://cwe.mitre.org/data/definitions/126.html Technical Description
https://bugzilla.libav.org/show_bug.cgi?id=1155 Broken Link Exploit Issue Tracking Third Party Advisory
https://cwe.mitre.org/data/definitions/126.html Technical Description
Configurations

Configuration 1 (hide)

cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*
History

21 Nov 2024, 05:08

Type Values Removed Values Added
References () https://bugzilla.libav.org/show_bug.cgi?id=1155 - Broken Link, Exploit, Issue Tracking, Third Party Advisory () https://bugzilla.libav.org/show_bug.cgi?id=1155 - Broken Link, Exploit, Issue Tracking, Third Party Advisory
References () https://cwe.mitre.org/data/definitions/126.html - Technical Description () https://cwe.mitre.org/data/definitions/126.html - Technical Description

10 Jul 2022, 21:15

Type Values Removed Values Added
References
  • (MISC) https://cwe.mitre.org/data/definitions/126.html -

03 May 2022, 16:04

Type Values Removed Values Added
CWE CWE-787 CWE-125

31 Aug 2021, 13:06

Type Values Removed Values Added
References (MISC) https://bugzilla.libav.org/show_bug.cgi?id=1155 - (MISC) https://bugzilla.libav.org/show_bug.cgi?id=1155 - Exploit, Issue Tracking, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.5
CWE CWE-787
CPE cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*

23 Aug 2021, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-23 22:15

Updated : 2024-11-21 05:08

NVD link : CVE-2020-18778

Mitre link : CVE-2020-18778

CVE.ORG link : CVE-2020-18778

JSON object : View

Products Affected

libav

  • libav
CWE
CWE-125

Out-of-bounds Read