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Improper resource allocation In org.apache.tomcat:tomcat

Description

Uncontrolled Resource Consumption in Apache Tomcat Apache Tomcat 6.x before 6.0.44, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle cases where an HTTP response occurs before finishing the reading of an entire request body, which allows remote attackers to cause a denial of service (thread consumption) via a series of aborted upload attempts.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

References

1. https://github.com/apache/tomcat/commit/6b2cfacf749be186ea77249a979af1d4863e47ba2. https://github.com/apache/tomcat/commit/812088583d0e60717a8fe9c6d14e12bcdc3e6c513. https://github.com/apache/tomcat/commit/b1c8477e3e3ee635d19cc4d5987c2b157431e0c14. https://github.com/apache/tomcat/commit/c1357e649641844109711d60cacb98e4b5fcd3cb5. https://github.com/apache/tomcat/commit/e28dd578fad90a6d5726ec34f3245c9f99d909a56. https://github.com/apache/tomcat/commit/e3146f4b03a2386c3e57597e86134d4ed5c313037. https://github.com/apache/tomcat/commit/fc049912464f0dcf9dede3761f38049369057e168. https://github.com/apache/tomcat/commit/fdd9f11dc24b95e5425076abb58e968336f320a29. https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c@%3Cdev.tomcat.apache.org%3E10. https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b@%3Cdev.tomcat.apache.org%3E11. https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c@%3Cdev.tomcat.apache.org%3E12. https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb@%3Cdev.tomcat.apache.org%3E13. https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95@%3Cdev.tomcat.apache.org%3E14. https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b@%3Cdev.tomcat.apache.org%3E15. https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113@%3Cdev.tomcat.apache.org%3E16. https://issues.jboss.org/browse/JWS-22017. https://issues.jboss.org/browse/JWS-21918. https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c0505496419. https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c0485101320. http://mail-archives.apache.org/mod_mbox/tomcat-announce/201505.mbox/%3C554949D1.8030904%40apache.org%3E21. http://marc.info/?l=bugtraq&m=144498216801440&w=222. http://marc.info/?l=bugtraq&m=145974991225029&w=223. http://openwall.com/lists/oss-security/2015/04/10/124. http://rhn.redhat.com/errata/RHSA-2015-1622.html25. http://rhn.redhat.com/errata/RHSA-2016-0595.html26. http://rhn.redhat.com/errata/RHSA-2016-0596.html27. http://rhn.redhat.com/errata/RHSA-2016-0597.html28. http://rhn.redhat.com/errata/RHSA-2016-0598.html29. http://svn.apache.org/viewvc?view=revision&revision=160377030. http://svn.apache.org/viewvc?view=revision&revision=160377531. http://svn.apache.org/viewvc?view=revision&revision=160377932. http://tomcat.apache.org/security-6.html33. http://tomcat.apache.org/security-7.html34. http://tomcat.apache.org/security-8.html35. http://www.debian.org/security/2016/dsa-344736. http://www.debian.org/security/2016/dsa-353037. http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html38. http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html39. http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html40. http://www.ubuntu.com/usn/USN-2654-141. http://www.ubuntu.com/usn/USN-2655-1