CVE-2020-21598
FFmpeg libde265 Heap Buffer Overflow
Description
libde265 v1.0.4 contains a heap buffer overflow in the ff_hevc_put_unweighted_pred_8_sse function, which can be exploited via a crafted a file.
INFO
Published Date :
Sept. 16, 2021, 10:15 p.m.
Last Modified :
Feb. 22, 2023, 6:02 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
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-2020-21598.
| URL | Resource |
|---|---|
| https://cwe.mitre.org/data/definitions/122.html | Technical Description Third Party Advisory |
| https://github.com/strukturag/libde265/issues/237 | Exploit Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html | Mailing List Third Party Advisory |
| https://www.debian.org/security/2023/dsa-5346 | Third Party Advisory |
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-2020-21598 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-21598 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]
Feb. 22, 2023
Action Type Old Value New Value Changed Reference Type https://cwe.mitre.org/data/definitions/122.html Technical Description https://cwe.mitre.org/data/definitions/122.html Technical Description, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2023/dsa-5346 No Types Assigned https://www.debian.org/security/2023/dsa-5346 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 11, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5346 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 26, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html [No Types Assigned] -
Reanalysis by [email protected]
Nov. 02, 2022
Action Type Old Value New Value Removed CPE Configuration OR *cpe:2.3:a:libde265:libde265:1.0.4:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:struktur:libde265:1.0.4:*:*:*:*:*:*:* -
Modified Analysis by [email protected]
Sep. 08, 2022
Action Type Old Value New Value Changed Reference Type https://cwe.mitre.org/data/definitions/122.html No Types Assigned https://cwe.mitre.org/data/definitions/122.html Technical Description Changed Reference Type https://github.com/strukturag/libde265/issues/237 Exploit, Third Party Advisory https://github.com/strukturag/libde265/issues/237 Exploit, Issue Tracking, Third Party Advisory -
CVE Modified by [email protected]
Jul. 10, 2022
Action Type Old Value New Value Added Reference https://cwe.mitre.org/data/definitions/122.html [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 27, 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:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/strukturag/libde265/issues/237 No Types Assigned https://github.com/strukturag/libde265/issues/237 Exploit, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:libde265:libde265:1.0.4:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-21598 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-2020-21598
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.51 }} 0.15%
score
0.76826
percentile