Security restrictions bypass in Apache Tomcat - CVE-2018-1304

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Main Vulnerability Database Vulnerabilities #VU10707

Security restrictions bypass in Apache Tomcat - CVE-2018-1304

Published: February 26, 2018 / Updated: July 24, 2018


Vulnerability identifier: #VU10707
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1304
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to the URL pattern of "" (the empty string) which exactly maps to the context root was not correctly handled when used as part of a security constraint definition. A remote attacker can supply a specially crafted URL, bypass security restrictions and gain unauthorised access to web application resources.

Affected software

Apache Tomcat
Amazon Linux AMI
Debian Linux
Fedora
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Dell Support Assist Enterprise
EMC Cloud Tiering Appliance
JBoss Enterprise Application Platform
tomcat

How to mitigate CVE-2018-1304

Update to version 7.0.85, 8.0.50, 8.5.28, 9.0.5.

Apache Tomcat - addressed in versions 7.0.85, 8.0.50, 8.5.28, 9.0.5
Dell Support Assist Enterprise - update to 4.00.06.00
tomcat - addressed in versions 7.0.85-1.el6, 8.0.50-1.fc26, 8.0.50-1.fc27
EMC Cloud Tiering Appliance - addressed in versions 13.0.0.2.29, 13.1.0.2.20

External References

Related Security Bulletins