Open redirect in Apache Tomcat - CVE-2018-11784

Detailed vulnerability description

The vulnerability allows a remote attacker to redirect victims to arbitrary URI.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary URI.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

How to mitigate CVE-2018-11784

Sources

• https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.12
• https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.34
• https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.91