CVE-2018-11759 — Vulnetix

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CVE-2018-11759 REJECTED

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.

EPSS 94.25% · 99.9th percentile

Risk Scores

EPSS Score

94.25%

99.9th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:20.04:LTS	libapache-mod-jk	0

Timeline

Oct 31, 2018 CVE Published
Oct 31, 2018 PoC Published
Nov 4, 2018 PoC Published
Nov 4, 2018 PoC Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
May 14, 2022 CVE Updated

References

https://ubuntu.com/security/CVE-2018-11759 third-party-advisory
https://tomcat.apache.org/security-jk.html#Fixed_in_Apache_Tomcat_JK_Connector_1.2.46 third-party-advisory
https://lists.apache.org/thread.html/6d564bb0ab73d6b3efdd1d6b1c075d1a2c84ecd84a4159d6122529ad@%3Cannounce.tomcat.apache.org%3E third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2018-11759 third-party-advisory

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