CVE-2024-25126

Public Exploit
Rack ReDos in content type parsing (2nd degree polynomial)

Description

Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible denial of service vulnerability (ReDos 2nd degree polynomial). This vulnerability is patched in 3.0.9.1 and 2.2.8.1.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.25%
Vendor Advisory rubyonrails.org Vendor Advisory github.com
Affected: rack rack
Published at:
Updated at:

References

Link Tags
https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cx vendor advisory exploit
https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462 patch
https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49 patch
https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941 vendor advisory exploit
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.yml third party advisory exploit
https://lists.debian.org/debian-lts-announce/2024/04/msg00022.html mailing list
https://security.netapp.com/advisory/ntap-20240510-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2024-25126?
CVE-2024-25126 has been scored as a medium severity vulnerability.
How to fix CVE-2024-25126?
To fix CVE-2024-25126, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-25126 being actively exploited in the wild?
It is possible that CVE-2024-25126 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-25126?
CVE-2024-25126 affects rack rack.
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