CVE-2021-29479

Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, a user supplied X-Forwarded-Host header can be used to perform cache poisoning of a cache fronting a Ratpack server if the cache key does not include the X-Forwarded-Host header as a cache key. Users are only vulnerab...

Design/Logic Flaw

Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, a user supplied X-Forwarded-Host header can be used to perform cache poisoning of a cache fronting a Ratpack server if the cache key does not include the X-Forwarded-Host header as a cache key. Users are only vulnerab...

CVE-2021-29479 Cached redirect poisoning via X-Forwarded-Host header

Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, a user supplied X-Forwarded-Host header can be used to perform cache poisoning of a cache fronting a Ratpack server if the cache key does not include the X-Forwarded-Host header as a cache key. Users are only vulnerab...

CVE-2021-29479

Summary: Ratpack before 1.9.0 is vulnerable to cache poisoning via the X-Forwarded-Host header. If the cache key does not include X-Forwarded-Host and a custom PublicAddress is not configured, Ratpack’s default inferring PublicAddress can be exploited to redirect cached responses to an attacker s...