Denial of service in URI gem for Ruby
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-28755 |
| CWE-ID | CWE-185 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
URI Universal components / Libraries / Programming Languages & Components |
| Vendor | rubygems.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Incorrect Regular Expression
EUVDB-ID: #VU74004
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-28755
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when processing URLs. A remote attacker can pass specially crafted URL to the application and perform regular expression denial of service (ReDos) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsURI: 0.10.0 - 0.12.0
External linkshttp://www.ruby-lang.org/en/news/2023/03/28/redos-in-uri-cve-2023-28755/
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. However, proof of concept for this vulnerability is available.
