Severity
Severity not reported.
Affected versions
Repository
| Affected commits | Fixed by commit |
|---|---|
| GIT github.com/rails/rails ↗ | |
| All commits before c443466a99f8ed951605fb4993a01de5e41349a4 | c443466a99f8ed951605fb4993a01de5e41349a4 |
| 984c3ef2775781d47efa9f541ce570daa2434a80 to before 23e0345fe900dfd7edd6e8e5a7a6bd54b2a7d2ed | 23e0345fe900dfd7edd6e8e5a7a6bd54b2a7d2ed |
Also listed as affected (51)
| |
Description
A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.
References
- Webdiscuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118 ↗
- Advisorygithub.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22795.json ↗
- Advisorynvd.nist.gov/vuln/detail/CVE-2023-22795 ↗
- Advisorysecurity.netapp.com/advisory/ntap-20240202-0010/ ↗
- Advisorywww.debian.org/security/2023/dsa-5372 ↗