If an async request was completed by the application at the same time as the container triggered the async timeout, a race condition existed that could result in a user seeing a response intended for a different user. An additional issue was present in the NIO and NIO2 connectors that did not correctly track the closure of the connection when an async request was completed by the application and timed out by the container at the same time. This could also result in a user seeing a response intended for another user. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.9 and 8.5.5 to 8.5.31.
mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180722090623.GA92700%40minotaur.apache.org%3E
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www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
access.redhat.com/errata/RHSA-2018:2867
access.redhat.com/errata/RHSA-2018:2868
access.redhat.com/errata/RHSA-2019:1529
github.com/apache/tomcat
github.com/apache/tomcat/commit/4c04369c287233ea2e8e5135f6c31d02e2d76293
github.com/apache/tomcat/commit/ccf2e6bf5205561ad18c2300153e9173ec509d73
github.com/apache/tomcat/commit/ed4b9d791f9470e4c3de691dd0153a9ce431701b
github.com/apache/tomcat/commit/f94eedf02b5973598ab3dbbd4504da588e9ba6cb
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nvd.nist.gov/vuln/detail/CVE-2018-8037
security.netapp.com/advisory/ntap-20180817-0001
web.archive.org/web/20200227102808/www.securityfocus.com/bid/104894
web.archive.org/web/20200515223903/www.securitytracker.com/id/1041376
www.debian.org/security/2018/dsa-4281
www.oracle.com/security-alerts/cpuapr2020.html
www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html