SB2024030429 - Multiple vulnerabilities in Rack

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2024-26141)

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 within the Range request header in Rack. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

2) Incorrect Regular Expression (CVE-ID: CVE-2024-25126)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions in content type parsing (2nd degree polynomial). A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Remediation

Install update from vendor's website.

References

• https://github.com/rack/rack/security/advisories/GHSA-xj5v-6v4g-jfw6
• https://github.com/rack/rack/commit/4849132bef471adb21131980df745f4bb84de2d9
• https://github.com/rack/rack/commit/62457686b26d33a15a254c7768c2076e8e02b48b
• https://discuss.rubyonrails.org/t/possible-dos-vulnerability-with-range-header-in-rack/84944
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-26141.yml
• https://github.com/rack/rack/security/advisories/GHSA-22f2-v57c-j9cx
• https://github.com/rack/rack/commit/6efb2ceea003c4b195815a614e00438cbd543462
• https://github.com/rack/rack/commit/d9c163a443b8cadf4711d84bd2c58cb9ef89cf49
• https://discuss.rubyonrails.org/t/denial-of-service-vulnerability-in-rack-content-type-parsing/84941
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-25126.yml