CVE-2018-11759

NameCVE-2018-11759
DescriptionThe Apache Web Server (httpd) specific code that normalised the requested path before matching it to the URI-worker map in Apache Tomcat JK (mod_jk) Connector 1.2.0 to 1.2.44 did not handle some edge cases correctly. If only a sub-set of the URLs supported by Tomcat were exposed via httpd, then it was possible for a specially constructed request to expose application functionality through the reverse proxy that was not intended for clients accessing the application via the reverse proxy. It was also possible in some configurations for a specially constructed request to bypass the access controls configured in httpd. While there is some overlap between this issue and CVE-2018-1323, they are not identical.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libapache-mod-jk (PTS)jessie (security), jessie1:1.2.37-4+deb8u1vulnerable
stretch1:1.2.42-1vulnerable
buster, sid1:1.2.46-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libapache-mod-jksource(unstable)1:1.2.46-1

Notes

https://tomcat.apache.org/security-jk.html#Fixed_in_Apache_Tomcat_JK_Connector_1.2.46
https://www.immunit.ch/blog/2018/11/01/cve-2018-11759-apache-mod_jk-access-bypass/

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