CVE-2023-22795 — Uncontrolled Resource Consumption in Rails
Severity
7.5HIGHNVD
EPSS
1.5%
top 18.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 9
Latest updateFeb 14
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 immediat…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages4 packages
Also affects: Debian Linux 11.0
Patches
🔴Vulnerability Details
4CVEList
▶
📋Vendor Advisories
3Microsoft▶
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 expressio↗2023-02-14
Debian▶
CVE-2023-22795: rails - A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7....↗2023