Vigil@nce - Apache Tomcat: error page tampering
August 2017 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can trigger an HTTP error in Apache Tomcat, in order to corrupt the error page documents.
Impacted products: Tomcat, Debian, Fedora, RHEL.
Creation date: 06/06/2017.
DESCRIPTION OF THE VULNERABILITY
The Apache Tomcat product offers a web service.
HTTP error pages may be customized. However, when the page content is provided by a static document instead of a servlet output, Tomcat allows to tamper with this source document.
An attacker can therefore trigger an HTTP error in Apache Tomcat, in order to corrupt the error page documents.
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