Date: Tue, 10 Oct 2023 14:42:59 -0300 From: Mark Thomas <markt@...che.org> To: oss-security@...ts.openwall.com Subject: CVE-2023-42795: Apache Tomcat: Failure during request clean-up leads to sensitive data leaking to subsequent requests Severity: important Affected versions: - Apache Tomcat 11.0.0-M1 through 11.0.0-M11 - Apache Tomcat 10.1.0-M1 through 10.1.13 - Apache Tomcat 9.0.0-M1 through 9.0.80 - Apache Tomcat 8.5.0 through 8.5.93 Description: Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue. References: https://lists.apache.org/thread/065jfyo583490r9j2v73nhpyxdob56lw https://tomcat.apache.org/ https://www.cve.org/CVERecord?id=CVE-2023-42795
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