Undertow: 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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

使用共享资源的并发执行不恰当同步问题(竞争条件)

Red Hat Undertow 竞争条件问题漏洞

Red Hat Undertow是美国红帽（Red Hat）公司的一款基于Java的嵌入式Web服务器，是Wildfly（Java应用服务器）默认的Web服务器。 Red Hat Undertow存在竞争条件问题漏洞。攻击者利用该漏洞可以获取敏感信息。

N/A

N/A