#VU87008 Input validation error in Rack - CVE-2024-26146
Published: March 4, 2024
Vulnerability identifier: #VU87008
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-26146
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Rack
Rack
Software vendor:
Rack
Rack
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the header parsing. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://github.com/rack/rack/security/advisories/GHSA-54rr-7fvw-6x8f
- https://github.com/rack/rack/commit/30b8e39a578b25d4bdcc082c1c52c6f164b59716
- https://github.com/rack/rack/commit/6c5d90bdcec0949f7ba06db62fb740dab394b582
- https://github.com/rack/rack/commit/a227cd793778c7c3a827d32808058571569cda6f
- https://github.com/rack/rack/commit/e4c117749ba24a66f8ec5a08eddf68deeb425ccd
- https://discuss.rubyonrails.org/t/possible-denial-of-service-vulnerability-in-rack-header-parsing/84942
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-26146.yml