GHSA-mppv-79ch-vw6q

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GHSA-mppv-79ch-vw6q

Summary: Apache Tomcat vulnerable to information leak

Details: A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS message would be sent for the response which in turn meant that at least one AJP proxy (mod_proxy_ajp) would use the response headers from the previous request leading to an information leak.

References: https://nvd.nist.gov/vuln/detail/CVE-2023-34981, https://github.com/apache/tomcat/commit/2214c8030522aa9b2a367dfa5d9acff1a03666ae, https://github.com/apache/tomcat/commit/2f0ca2378415f4cf0748f4bc8fa955f41f803fa5, https://github.com/apache/tomcat/commit/739c7381aed22b7636351caf885ddc519ab6b442, https://github.com/apache/tomcat/commit/f0742f47b98aca943097f7f88e0d1163f57527e3, https://bz.apache.org/bugzilla/show_bug.cgi?id=66512, https://bz.apache.org/bugzilla/show_bug.cgi?id=66591, https://github.com/apache/tomcat, https://lists.apache.org/thread/j1ksjh9m9gx1q60rtk1sbzmxhvj5h5qz, https://security.netapp.com/advisory/ntap-20230714-0003, https://tomcat.apache.org/security-10.html, https://tomcat.apache.org/security-11.html, https://tomcat.apache.org/security-8.html, https://tomcat.apache.org/security-9.html