CVE-2021-23180
"HtmlDoc Null Pointer Dereference Vulnerability"
Description
A flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.
INFO
Published Date :
March 2, 2022, 11:15 p.m.
Last Modified :
Nov. 7, 2023, 3:30 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
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-2021-23180.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1967041 | Issue Tracking Patch Third Party Advisory |
| https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a | Patch Third Party Advisory |
| https://github.com/michaelrsweet/htmldoc/issues/418 | Exploit Issue Tracking Third Party Advisory |
| https://ubuntu.com/security/CVE-2021-23180 | 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-2021-23180 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23180 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CWE Red Hat, Inc. CWE-400 -
Initial Analysis by [email protected]
Mar. 10, 2022
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1967041 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1967041 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a No Types Assigned https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a Patch, Third Party Advisory Changed Reference Type https://github.com/michaelrsweet/htmldoc/issues/418 No Types Assigned https://github.com/michaelrsweet/htmldoc/issues/418 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://ubuntu.com/security/CVE-2021-23180 No Types Assigned https://ubuntu.com/security/CVE-2021-23180 Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:* versions up to (including) 1.9.12
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23180 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-2021-23180
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.19 }} 0.02%
score
0.57548
percentile