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CVE-2023-22795

Published: Feb 9, 2023Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDUCWE-400
NVD MITRE
7.5CVSSHIGH
EPSS Score
2.3%
Top 19.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400CWE-1333

Affected Products

https://github.com/rails/railsn/a
railsrubyonrailsOSS Libraries
debian linuxdebian
On-premOS
Operating Systems / linux-distro
actionpackRubyGemsOSS Libraries
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
rubyonrailsoss-projectUSOSS Librariesaka rails, ruby on rails, rubyonrails.org
debianoss-projectGBOperating Systemsaka debian gnu/linux
rubygemspackage-ecosystemOSS Libraries
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118
discuss.rubyonrails.org
https://www.debian.org/security/2023/dsa-5372
debian.org
https://security.netapp.com/advisory/ntap-20240202-0010/
security.netapp.com
and 13 more references View all →

Timeline

Published
Feb 9, 2023
Last Updated
Nov 21, 2024

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