CVE-2024-26142

moderate-risk
Published 2024-02-27

Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected.

Do I need to act?

~
3.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Rubyonrails

References (10)

Vendor Advisory https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-...
Patch https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272
Vendor Advisory https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq
Third Party Advisory https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024...
Third Party Advisory https://security.netapp.com/advisory/ntap-20240503-0003/
Vendor Advisory https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-...
Patch https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272
Vendor Advisory https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq
Third Party Advisory https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024...
Third Party Advisory https://security.netapp.com/advisory/ntap-20240503-0003/
38
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 7/34 · Low
Exposure 5/34 · Minimal