Puma's header normalization allows for client to clobber proxy set headers

Impact Clients could clobber values set by intermediate proxies such as X-Forwarded-For by providing a underscore version of the same header X-ForwardedFor. Any users trusting headers set by their proxy may be affected. Attackers may be able to downgrade connections to HTTP non-SSL or redirect...

GHSA-9HF4-67FC-4VF4 Puma's header normalization allows for client to clobber proxy set headers

Impact Clients could clobber values set by intermediate proxies such as X-Forwarded-For by providing a underscore version of the same header X-ForwardedFor. Any users trusting headers set by their proxy may be affected. Attackers may be able to downgrade connections to HTTP non-SSL or redirect...

PT-2024-6618

Name of the Vulnerable Software and Affected Versions: Puma versions prior to 6.4.3 Puma versions prior to 5.6.9 Description: The issue is related to the handling of HTTP requests in Puma, a Ruby/Rack web server. Clients could overwrite values set by intermediate proxies, such as X-Forwarded-For,...