CVE-2023-22796
Ruby on Rails Regular Expression DoS Vulnerability
Description
A regular expression based DoS vulnerability in Active Support <6.1.7.1 and <7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability.
INFO
Published Date :
Feb. 9, 2023, 8:15 p.m.
Last Modified :
Feb. 2, 2024, 2:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-22796 has a 1 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-2023-22796
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-2023-22796.
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).
A sensible no bullshit repo of summaries of reports on hackerone, bugcrowd and alike, that makes straight up sense and make it easy to repeat and automate. This is supposed to serve as my personal reference, but should be a good public index reference for like minded.
bugbounty bugbounty-writeups bugbountytips cybersecurity hackerone hackerone-reports hacking csrf dos hacktoberfest idor rce reports security sql-injection ssrf writeups xss xxe
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-22796 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-22796 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]
Feb. 02, 2024
Action Type Old Value New Value Added Reference HackerOne https://security.netapp.com/advisory/ntap-20240202-0009/ [No types assigned] -
CVE Modified by [email protected]
Mar. 14, 2023
Action Type Old Value New Value Added Reference https://www.debian.org/security/2023/dsa-5372 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 17, 2023
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://discuss.rubyonrails.org/t/cve-2023-22796-possible-redos-based-dos-vulnerability-in-active-supports-underscore/82116 No Types Assigned https://discuss.rubyonrails.org/t/cve-2023-22796-possible-redos-based-dos-vulnerability-in-active-supports-underscore/82116 Patch, Vendor Advisory Added CWE NIST CWE-1333 Added CPE Configuration OR *cpe:2.3:a:activesupport_project:activesupport:*:*:*:*:*:ruby:*:* versions up to (excluding) 6.1.7.1 *cpe:2.3:a:activesupport_project:activesupport:*:*:*:*:*:ruby:*:* versions from (including) 7.0.0 up to (excluding) 7.0.4.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-22796 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-2023-22796
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.02%
score
0.52847
percentile