Vulnerability CVE-2024-47887
Published: 2024-10-16

Description:
Action Pack is a framework for handling and responding to web requests. Starting in version 4.0.0 and prior to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, and 7.2.1.1, there is a possible ReDoS vulnerability in Action Controller's HTTP Token authentication. For applications using HTTP Token authentication via `authenticate_or_request_with_http_token` or similar, a carefully crafted header may cause header parsing to take an unexpected amount of time, possibly resulting in a DoS vulnerability. All users running an affected release should either upgrade to versions 6.1.7.9, 7.0.8.5, 7.1.4.1, or 7.2.1.1 or apply the relevant patch immediately. One may choose to use Ruby 3.2 as a workaround.Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected. Rails 8.0.0.beta1 depends on Ruby 3.2 or greater so is unaffected.

Type:

CWE-1333

 References:
https://github.com/rails/rails/security/advisories/GHSA-vfg9-r3fq-jvx4
https://github.com/rails/rails/commit/56b2fc3302836405b496e196a8d5fc0195e55049
https://github.com/rails/rails/commit/7c1398854d51f9bb193fb79f226647351133d08a
https://github.com/rails/rails/commit/8e057db25bff1dc7a98e9ae72e0083825b9ac545
https://github.com/rails/rails/commit/f4dc83d8926509d0958ec21fcdbc2e7df3d32ce2
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