CVE-2020-18778
Libav Heap-Based Buffer Over-Read Vulnerability in VC1 Decoder
Description
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.
INFO
Published Date :
Aug. 23, 2021, 10:15 p.m.
Last Modified :
Sept. 20, 2022, 9:11 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-18778.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-18778 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-18778 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Sep. 20, 2022
Action Type Old Value New Value Changed Reference Type https://bugzilla.libav.org/show_bug.cgi?id=1155 Exploit, Issue Tracking, Third Party Advisory https://bugzilla.libav.org/show_bug.cgi?id=1155 Broken Link, Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://cwe.mitre.org/data/definitions/126.html No Types Assigned https://cwe.mitre.org/data/definitions/126.html Technical Description -
CVE Modified by [email protected]
Jul. 10, 2022
Action Type Old Value New Value Added Reference https://cwe.mitre.org/data/definitions/126.html [No Types Assigned] -
CWE Remap by [email protected]
May. 03, 2022
Action Type Old Value New Value Changed CWE CWE-787 CWE-125 -
Initial Analysis by [email protected]
Aug. 31, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.libav.org/show_bug.cgi?id=1155 No Types Assigned https://bugzilla.libav.org/show_bug.cgi?id=1155 Exploit, Issue Tracking, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-18778 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-18778
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.01%
score
0.45109
percentile