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Lack of data validation In org.apache.tomcat:tomcat

Description

Apache Tomcat is vulnerable to HTTP request-smuggling Apache Tomcat before 6.0.39, 7.x before 7.0.47, and 8.x before 8.0.0-RC3, when an HTTP connector or AJP connector is used, does not properly handle certain inconsistent HTTP request headers, which allows remote attackers to trigger incorrect identification of a request's length and conduct request-smuggling attacks via (1) multiple Content-Length headers or (2) a Content-Length header and a "Transfer-Encoding: chunked" header. NOTE: this vulnerability exists because of an incomplete fix for CVE-2005-2090.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions

Aliases

1. CVE-2013-42862. NVD-2013-42863. OSV-2013-42864. GCVE-2013-4286

References

1. https://github.com/apache/tomcat/commit/41b90b6ebc3e7f898a5a87d197ddf63790d333152. https://github.com/apache/tomcat/commit/7c040003f1387795356605566be7870cf70e05dc3. https://github.com/apache/tomcat/commit/bcce3e4997a4ed06fe03e2517443f3ad8ade2dfa4. https://github.com/apache/tomcat/commit/d0b3e252eb168fafbfb4c3efc16d4192fc8fad6c5. https://github.com/apache/tomcat80/commit/ff00954b78e6484e40f323c0cef2e6d95c2882b96. https://web.archive.org/web/20141230041748/http://seclists.org/fulldisclosure/2014/Dec/237. https://web.archive.org/web/20160317145515/http://www.securityfocus.com/archive/1/534161/100/0/threaded8. https://web.archive.org/web/20160729061926/http://www.securityfocus.com/bid/657739. https://web.archive.org/web/20161014054543/http://www-01.ibm.com/support/docview.wss?uid=swg2167823110. https://web.archive.org/web/20161014054838/http://www-01.ibm.com/support/docview.wss?uid=swg2167714711. https://web.archive.org/web/20161014054913/http://www-01.ibm.com/support/docview.wss?uid=swg2167811312. https://web.archive.org/web/20161014054948/http://www-01.ibm.com/support/docview.wss?uid=swg2166788313. https://rhn.redhat.com/errata/RHSA-2014-0686.html14. https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b@%3Cdev.tomcat.apache.org%3E15. https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c@%3Cdev.tomcat.apache.org%3E16. https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb@%3Cdev.tomcat.apache.org%3E17. https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95@%3Cdev.tomcat.apache.org%3E18. https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b@%3Cdev.tomcat.apache.org%3E19. https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113@%3Cdev.tomcat.apache.org%3E20. https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c0485101321. https://bugzilla.redhat.com/show_bug.cgi?id=106992122. http://advisories.mageia.org/MGASA-2014-0148.html23. http://marc.info/?l=bugtraq&m=141390017113542&w=224. http://marc.info/?l=bugtraq&m=144498216801440&w=225. http://rhn.redhat.com/errata/RHSA-2014-0343.html26. http://rhn.redhat.com/errata/RHSA-2014-0344.html27. http://rhn.redhat.com/errata/RHSA-2014-0345.html28. http://svn.apache.org/viewvc?view=revision&revision=152182929. http://svn.apache.org/viewvc?view=revision&revision=152185430. http://svn.apache.org/viewvc?view=revision&revision=155256531. http://tomcat.apache.org/security-6.html32. http://tomcat.apache.org/security-7.html33. http://tomcat.apache.org/security-8.html34. http://www-01.ibm.com/support/docview.wss?uid=swg2167588635. http://www.debian.org/security/2016/dsa-353036. http://www.mandriva.com/security/advisories?name=MDVSA-2015:05237. http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html38. http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html39. http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html40. http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html41. http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html42. http://www.ubuntu.com/usn/USN-2130-143. http://www.vmware.com/security/advisories/VMSA-2014-0012.html

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