CVE-2023-22796: [CVE-2023-22796] Possible ReDoS based DoS vulnerability in Active Support's underscore

Red Hat Security Advisory 2023-4341-01 - Red Hat OpenShift bug fix and security update. Red Hat Product Security has rated this update as having a security impact of Low. Issues addressed include a denial of service vulnerability.

Logging Subsystem 5.7.4 - Red Hat OpenShift Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-25883: A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in node-semver package via the 'new Range' function. This issue could allow an attacker to pass untrusted malicious regex user data as a range, causing the service to excessively consume CPU depending upon the input size, resulting in a denial of service. * CVE-2023-22796: A flaw was found in rubygem-ac...

Debian Linux Security Advisory 5372-1 - Multiple vulnerabilities were discovered in rails, the Ruby based server-side MVC web application framework, which could result in XSS, data disclosure and open redirect.

There is a possible regular expression based DoS vulnerability in Active Support. This vulnerability has been assigned the CVE identifier CVE-2023-22796. Versions Affected: All Not affected: None Fixed Versions: 6.1.7.1, 7.0.4.1 Impact 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. This affects String#underscore, ActiveSupport::Inflector.underscore, String#titleize, and any other methods using these. All users running an affected release should either upgrade or use one of the workarounds immediately. Releases The FIXED releases are available at the normal locations. Workarounds There are no feasible workarounds for this issue. Users on Ruby 3.2.0 or greater may be able to reduce the impact by configuring Regexp.timeout. Patches To aid users who aren’t able to upgrade immedi...