#VU88970 Out-of-bounds read in Ruby - CVE-2024-27282

Vulnerability identifier: #VU88970

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-27282

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ruby
Universal components / Libraries / Scripting languages

Vendor: Ruby

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Regex search. A remote attacker can pass specially crafted string to the application, trigger an out-of-bounds read error and read contents of heap memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ruby: 3.0.0 - 3.3.0

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External links
https://www.ruby-lang.org/en/news/2024/04/23/arbitrary-memory-address-read-regexp-cve-2024-27282/

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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.