CVE-2023-22795
CVSS V2 None
CVSS V3 None
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.
Overview
- CVE ID
- CVE-2023-22795
- Assigner
- support@hackerone.com
- Vulnerability Status
- Analyzed
- Published Version
- 2023-02-09T20:15:11
- Last Modified Date
- 2023-04-27T18:50:27
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:actionpack_project:actionpack:*:*:*:*:*:ruby:*:* | 1 | OR | 6.1.7.1 | |
| cpe:2.3:a:actionpack_project:actionpack:*:*:*:*:*:ruby:*:* | 1 | OR | 7.0.0 | 7.0.4.1 |
| cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* | 0 | OR | 3.2.0 | |
| AND | ||||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR |
References
| Reference URL | Reference Tags |
|---|---|
| https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118 | Patch Vendor Advisory |
| https://www.debian.org/security/2023/dsa-5372 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2023-22795 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22795 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2023-04-17 07:28:24 | Added to TrackCVE | |||
| 2023-04-17 07:28:26 | Weakness Enumeration | new | ||
| 2023-04-27 19:04:16 | 2023-04-27T18:50:27 | CVE Modified Date | updated |