Vulnerability identifier: #VU50606
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-185
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Ruby on Rails
Universal components / Libraries /
Scripting languages
Vendor: Rails
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect regular expression for money processing format in the PostgreSQL adapter. A remote attacker can pass specially crafted input to the application and perform a regular expression denial of service (ReDOS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Ruby on Rails: 6.1.0 - 6.1.2, 6.0.0 - 6.0.3.4, 5.2.0 - 5.2.4.4, 5.1.0 - 5.1.7, 5.0.0 - 5.0.7.2
External links
http://github.com/rails/rails/releases/tag/v6.1.2.1
http://github.com/rails/rails/releases/tag/v6.0.3.5
http://github.com/rails/rails/releases/tag/v5.2.4.5
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.