CVE-2021-41817
Ruby date gem ReDoS
Description
Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.
INFO
Published Date :
Jan. 1, 2022, 5:15 a.m.
Last Modified :
Jan. 24, 2024, 5:15 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-41817 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-2021-41817
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-2021-41817.
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
List of RegEx DoS (ReDoS) CVEs and resources
security awesome redos regex dos regex-dos pentesting awesome-list regex-security
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-41817 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41817 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]
Jan. 24, 2024
Action Type Old Value New Value Added Reference MITRE https://security.gentoo.org/glsa/202401-27 [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ -
CWE Remap by [email protected]
Aug. 08, 2023
Action Type Old Value New Value Changed CWE NVD-CWE-Other CWE-1333 -
Modified Analysis by [email protected]
Sep. 10, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ Mailing List, Third Party Advisory -
CVE Modified by [email protected]
May. 08, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 11, 2022
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://hackerone.com/reports/1254844 No Types Assigned https://hackerone.com/reports/1254844 Permissions Required Changed Reference Type https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/ No Types Assigned https://www.ruby-lang.org/en/news/2021/11/15/date-parsing-method-regexp-dos-cve-2021-41817/ Exploit, Vendor Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:* versions up to (excluding) 2.0.1 *cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:* versions from (including) 3.0.0 up to (excluding) 3.0.2 *cpe:2.3:a:ruby-lang:date:*:*:*:*:*:ruby:*:* versions from (including) 3.1.0 up to (excluding) 3.1.2 *cpe:2.3:a:ruby-lang:date:3.2.0:*:*:*:*:ruby:*:* *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 2.6.0 up to (excluding) 2.6.9 *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 2.7.0 up to (excluding) 2.7.5 *cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.0.3 Added CPE Configuration OR *cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise:15.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-41817 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-2021-41817
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.52 }} 0.06%
score
0.77374
percentile