CVE-2020-24994
Libass Stack Overflow Remote Code Execution
Description
Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.
INFO
Published Date :
March 23, 2021, 8:15 p.m.
Last Modified :
July 22, 2022, 1:19 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-2020-24994.
| URL | Resource |
|---|---|
| https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e | Patch Third Party Advisory |
| https://github.com/libass/libass/issues/422 | Patch Third Party Advisory |
| https://github.com/libass/libass/issues/422#issuecomment-806002919 | Issue Tracking Patch Third Party Advisory |
| https://github.com/libass/libass/issues/423 | 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-2020-24994 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-24994 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]
Jul. 22, 2022
Action Type Old Value New Value Changed Reference Type https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e No Types Assigned https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e Patch, Third Party Advisory Changed Reference Type https://github.com/libass/libass/issues/422 Third Party Advisory https://github.com/libass/libass/issues/422 Patch, Third Party Advisory Changed Reference Type https://github.com/libass/libass/issues/422#issuecomment-806002919 No Types Assigned https://github.com/libass/libass/issues/422#issuecomment-806002919 Issue Tracking, Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:* versions up to (excluding) 0.14.0 OR *cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:* versions up to (excluding) 0.15.0 -
CWE Remap by [email protected]
Jun. 28, 2022
Action Type Old Value New Value Changed CWE CWE-787 CWE-770 -
CVE Modified by [email protected]
Apr. 19, 2021
Action Type Old Value New Value Changed Description Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.14.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file. Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file. Added Reference https://github.com/libass/libass/issues/422#issuecomment-806002919 [No Types Assigned] Added Reference https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 26, 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/libass/libass/issues/422 No Types Assigned https://github.com/libass/libass/issues/422 Third Party Advisory Changed Reference Type https://github.com/libass/libass/issues/423 No Types Assigned https://github.com/libass/libass/issues/423 Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:* versions up to (excluding) 0.14.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-24994 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-2020-24994
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.09 }} 0.06%
score
0.83937
percentile