Permissions, Privileges, and Access Controls in Apache Tomcat - CVE-2019-12418
Published: February 6, 2020
Vulnerability identifier: #VU25000
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-12418
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the local user without access to the Tomcat process or configuration files is able to manipulate the RMI registry to perform a man-in-the-middle attack to capture user names and passwords used to access the JMX interface.
Successful vulnerability exploitation requires that Apache Tomcat is configured with the JMX Remote Lifecycle Listener.
Affected software
Apache Tomcat
Amazon Linux AMI
Gentoo Linux
Fedora
Opensuse
Dell Support Assist Enterprise
tomcat9 (Debian package)
tomcat
Amazon Linux AMI
Gentoo Linux
Fedora
Opensuse
Dell Support Assist Enterprise
tomcat9 (Debian package)
tomcat
How to mitigate CVE-2019-12418
Install updates from vendor's website.
Apache Tomcat - addressed in versions 7.0.99, 8.5.49, 9.0.29
Dell Support Assist Enterprise - update to 4.00.06.00
tomcat9 (Debian package) - update to 9.0.31-1~deb10u1
tomcat - update to 7.0.99-1.el6
Dell Support Assist Enterprise - update to 4.00.06.00
tomcat9 (Debian package) - update to 9.0.31-1~deb10u1
tomcat - update to 7.0.99-1.el6
External References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.html
- https://lists.apache.org/thread.html/43530b91506e2e0c11cfbe691173f5df8c48f51b98262426d7493b67%40%3Cannounce.tomcat.apache.org%3E
- https://seclists.org/bugtraq/2019/Dec/43
- https://security.netapp.com/advisory/ntap-20200107-0001/
- https://support.f5.com/csp/article/K10107360?utm_source=f5support&utm_medium=RSS
- https://www.debian.org/security/2019/dsa-4596