high
7.5
CWE
400 770
Advisory Published
Advisory Published
Advisory Published
Updated

CVE-2024-41123: REXML DoS vulnerability

First published: Thu Aug 01 2024(Updated: )

### Impact The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. ### Patches The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities. ### Workarounds Don't parse untrusted XMLs. ### References * https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability * https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8 : This is a similar vulnerability * https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123/: An announce on www.ruby-lang.org

Credit: security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
rubygems/rexml<3.3.3
3.3.3
F5 Traffix Systems Signaling Delivery Controller=5.2
REXML Ruby<3.2.7
REXML Ruby>=3.2.8<3.3.2
debian/ruby2.7<=2.7.4-1+deb11u1
2.7.4-1+deb11u4
debian/ruby3.1<=3.1.2-7+deb12u1<=3.1.2-8.5
debian/ruby3.3
3.3.7-1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2024-41123?

    CVE-2024-41123 has been identified as a Denial of Service (DoS) vulnerability.

  • How do I fix CVE-2024-41123?

    To mitigate CVE-2024-41123, upgrade the REXML gem to version 3.3.3 or later.

  • Which versions of the REXML gem are affected by CVE-2024-41123?

    CVE-2024-41123 affects REXML gem versions prior to 3.3.2.

  • What applications are impacted by CVE-2024-41123?

    Applications using vulnerable versions of the REXML gem for parsing untrusted XML are at risk due to CVE-2024-41123.

  • Are there temporary workarounds for CVE-2024-41123?

    There are no specific temporary workarounds recommended for CVE-2024-41123; upgrading to a fixed version is advised.

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