CVE-2021-33621
Published: August 31, 2023Last modified: August 31, 2023
Description
The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ruby | Not affected (3.1.4-r0) |
| Stream | ruby | Not affected (3.2.2-r0) |
References
- https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQR7LWED6VAPD5ATYOBZIGJQPCUBRJBX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/THVTYHHEOVLQFCFHWURZYO7PVUPBHRZD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YACE6ORF2QBXXBK2V2CM36D7TZMEJVAS/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/DQR7LWED6VAPD5ATYOBZIGJQPCUBRJBX/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/THVTYHHEOVLQFCFHWURZYO7PVUPBHRZD/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/YACE6ORF2QBXXBK2V2CM36D7TZMEJVAS/
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20221228-0004/
- https://www.ruby-lang.org/en/news/2022/11/22/http-response-splitting-in-cgi-cve-2021-33621/