#VU87692 Input validation error in RDoc - CVE-2024-27281

Vulnerability identifier: #VU87692

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-27281

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: Ruby

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input when parsing .rdoc_options as a YAML file. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RDoc: 6.3.0 - 6.6.3

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External links
https://www.ruby-lang.org/en/news/2024/03/21/rce-rdoc-cve-2024-27281/

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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.