#VU95148 XML Entity Expansion in REXML


Vulnerability identifier: #VU95148

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-41946

CWE-ID: CWE-776

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
REXML
Web applications / Modules and components for CMS

Vendor: rubygems.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation when parsing XML with SAX2 or pull parser API. A remote attacker can pass specially crafted XML data to the application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

REXML: 3.1.8 - 3.3.2


External links
http://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability