CVE-2018-11759

Name	CVE-2018-11759
Description	The 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1609-1, DSA-4357-1, ELA-68-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libapache-mod-jk (PTS)	jessie, jessie (lts)	1:1.2.46-0+deb8u3	fixed
	stretch (security)	1:1.2.46-0+deb9u1	fixed
	stretch (lts), stretch	1:1.2.46-0+deb9u2	fixed
	buster, buster (lts)	1:1.2.46-1+deb10u3	fixed
	buster (security)	1:1.2.46-1+deb10u2	fixed
	bullseye	1:1.2.48-1+deb11u1	fixed
	bullseye (security)	1:1.2.48-1+deb11u2	fixed
	bookworm	1:1.2.48-2+deb12u1	fixed
	sid, trixie	1:1.2.49-1	fixed

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

Package	Type	Release	Fixed Version	Origin
libapache-mod-jk	source	wheezy	1.2.46-0+deb7u1	ELA-68-1
libapache-mod-jk	source	jessie	1:1.2.46-0+deb8u1	DLA-1609-1
libapache-mod-jk	source	stretch	1:1.2.46-0+deb9u1	DSA-4357-1
libapache-mod-jk	source	(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/