CVE-2021-33587
"Vulnerable CSS-What Parsing for Node.js"
Description
The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input.
INFO
Published Date :
May 28, 2021, 8:15 p.m.
Last Modified :
March 3, 2023, 1:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-33587 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-33587
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2021-33587.
| URL | Resource |
|---|---|
| https://github.com/fb55/css-what/releases/tag/v5.0.1 | Patch Release Notes Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html | |
| https://security.netapp.com/advisory/ntap-20210706-0007/ | 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).
List of RegEx DoS (ReDoS) CVEs and resources
security awesome redos regex dos regex-dos pentesting awesome-list regex-security
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-33587 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-33587 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]
Mar. 03, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html [No Types Assigned] -
Reanalysis by [email protected]
Oct. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:css-what_project:css-what:*:*:*:*:*:node.js:*:* versions from (including) 4.0.0 up to (including) 5.0.0 OR *cpe:2.3:a:css-what_project:css-what:4.0.0:*:*:*:*:node.js:*:* *cpe:2.3:a:css-what_project:css-what:5.0.0:*:*:*:*:node.js:*:* -
Modified Analysis by [email protected]
Dec. 01, 2021
Action Type Old Value New Value Changed Reference Type https://github.com/fb55/css-what/releases/tag/v5.0.1 Release Notes, Third Party Advisory https://github.com/fb55/css-what/releases/tag/v5.0.1 Patch, Release Notes, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20210706-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20210706-0007/ Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:css-what_project:css-what:*:*:*:*:*:node.js:*:* versions up to (excluding) 5.0.1 OR *cpe:2.3:a:css-what_project:css-what:*:*:*:*:*:node.js:*:* versions from (including) 4.0.0 up to (including) 5.0.0 Added CPE Configuration OR *cpe:2.3:a:netapp:e-series_performance_analyzer:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 06, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210706-0007/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 09, 2021
Action Type Old Value New Value Changed Description The css-what package before 5.0.1 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input. The css-what package 4.0.0 through 5.0.0 for Node.js does not ensure that attribute parsing has Linear Time Complexity relative to the size of the input. -
Initial Analysis by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) 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/fb55/css-what/releases/tag/v5.0.1 No Types Assigned https://github.com/fb55/css-what/releases/tag/v5.0.1 Release Notes, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:css-what_project:css-what:*:*:*:*:*:node.js:*:* versions up to (excluding) 5.0.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-33587 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-2021-33587
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.07%
score
0.54349
percentile