Vulnerability CVE-2023-22795: Information
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.
Severity: HIGH (7.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| gem-rails | sisyphus | 6.1.7.1-alt1 | 6.1.7.7-alt1 | ALT-PU-2023-1336-1 | 313736 | Fixed |
| gem-rails | sisyphus_riscv64 | 6.1.7.1-alt1.1 | 6.1.7.1-alt1.2 | ALT-PU-2023-2733-1 | - | Fixed |
| gem-rails | p10 | 6.1.7.1-alt1.1 | 6.1.7.1-alt1.2 | ALT-PU-2023-4268-4 | 307833 | Fixed |
| gem-rails | c10f1 | 6.1.7.1-alt1.2 | 5.2.4.4-alt2 | ALT-PU-2024-7814-2 | 334397 | Testing |
| gem-rails | p11 | 6.1.7.1-alt1 | 6.1.7.7-alt1 | ALT-PU-2023-1336-1 | 313736 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118 |
|
| DSA-5372 |
|
| https://security.netapp.com/advisory/ntap-20240202-0010/ |