SB2018100401 - Open redirect in Apache Tomcat

Description

This security bulletin contains information about 1 vulnerability.

1) Open redirect (CVE-ID: CVE-2018-11784)

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear

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.

Remediation

Install update from vendor's website.

References

• 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