CVE-2024-43398

CVE Details

Release Date:

2024-08-22

Description

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes. If you need to parse untrusted XMLs with tree parser API like REXML::Document.new, you may be impacted to this vulnerability. If you use other parser APIs such as stream parser API and SAX2 parser API, this vulnerability is not affected. The REXML gem 3.3.6 or later include the patch to fix the vulnerability.

See more information about CVE-2024-43398 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	5.9	CVSS Vector:	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector:	Network	Attack Complexity:	High
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (pcs)	ELSA-2024-6670	2024-09-16
Oracle Linux version 8 (ruby)	ELSA-2024-6784	2024-09-19
Oracle Linux version 8 (rubygem-abrt)	ELSA-2024-6784	2024-09-19
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2024-6784	2024-09-19
Oracle Linux version 8 (rubygem-pg)	ELSA-2024-6784	2024-09-19
Oracle Linux version 9 (ruby)	ELSA-2024-6785	2024-09-19
Oracle Linux version 9 (rubygem-mysql2)	ELSA-2024-6785	2024-09-19
Oracle Linux version 9 (rubygem-pg)	ELSA-2024-6785	2024-09-19