#VU13986 Infinite loop in Apache Tomcat - CVE-2018-1336
Published: May 16, 2018 / Updated: July 25, 2018
Vulnerability identifier: #VU13986
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-1336
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache Tomcat
Apache Tomcat
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to improper handing of overflow in the UTF-8 decoder with supplementary characters. A remote attacker can send trigger an infinite loop in the decoder and cause the service to crash.
Remediation
The vulnerability is addressed in the versions 7.0.88, 8.0.52, 8.5.31, 9.0.8.