CVE-2020-26303
Insane HTML Sanitizer ReDoS Vulnerability
Description
insane is a whitelist-oriented HTML sanitizer. Versions 2.6.2 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.
INFO
Published Date :
Oct. 26, 2024, 9:15 p.m.
Last Modified :
Nov. 13, 2024, 7:55 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2020-26303.
| URL | Resource |
|---|---|
| https://github.com/bevacqua/insane/issues/19 | Issue Tracking Third Party Advisory |
| https://securitylab.github.com/advisories/GHSL-2020-289-redos-insane/ | Exploit 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-2020-26303 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-26303 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.
-
Initial Analysis by [email protected]
Nov. 13, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/bevacqua/insane/issues/19 No Types Assigned https://github.com/bevacqua/insane/issues/19 Issue Tracking, Third Party Advisory Changed Reference Type https://securitylab.github.com/advisories/GHSL-2020-289-redos-insane/ No Types Assigned https://securitylab.github.com/advisories/GHSL-2020-289-redos-insane/ Exploit, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:bevacqua:insane:*:*:*:*:*:*:*:* versions up to (including) 2.6.2 -
CVE Received by [email protected]
Oct. 26, 2024
Action Type Old Value New Value Added Description insane is a whitelist-oriented HTML sanitizer. Versions 2.6.2 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available. Added Reference GitHub, Inc. https://securitylab.github.com/advisories/GHSL-2020-289-redos-insane/ [No types assigned] Added Reference GitHub, Inc. https://github.com/bevacqua/insane/issues/19 [No types assigned] Added CWE GitHub, Inc. CWE-1333 Added CVSS V4.0 GitHub, Inc. CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Green
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-26303 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-2020-26303
weaknesses.