#VU62081 Type conversion in Ruby

Published: 2022-04-12 | Updated: 2022-07-20

Vulnerability identifier: #VU62081

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28739


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Universal components / Libraries / Scripting languages

Vendor: Ruby


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a type conversion error in some convertion methods like Kernel#Float</code> and <code>String#to_f. A remote attacker can pass specially crafted data to the affected application, trigger memory corruption and execute arbitrary code in the system.

Install updates from vendor's website.

Vulnerable software versions

Ruby: 2.6.0 - 3.1.1

External links

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