High [CVE-2024-7885] improper state management in proxy protocol parsing causes information leakage

A vulnerability was found in Undertow where the ProxyProtocolReadListener reuses the same StringBuilder instance across multiple requests. This issue occurs when the parseProxyProtocolV1 method processes multiple requests on the same HTTP connection.

As a result, different requests may share the same StringBuilder instance, potentially leading to information leakage between requests or responses. In some cases, a value from a previous request or response may be erroneously reused, which could lead to unintended data exposure.

This issue primarily results in errors and connection termination but creates a risk of data leakage in multi-request environments. Red Hat decided to rate this vulnerability as Important because of the potential loss of Availability and no additional privileges being required.

Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-362.

Affected products named by the advisory: HawtIO 4.0.0 for Red Hat build of Apache Camel 4; Red Hat build of Apache Camel 3.20.7 for Spring Boot; Red Hat build of Apache Camel 4.4.2 for Spring Boot; Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7; and 14 more.