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AUSCERT External Security Bulletin Redistribution
Tomcat vulnerabilities patched in Ubuntu
26 July 2018
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
CVE Names: CVE-2018-8034 CVE-2018-1336
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Ubuntu Security Notice USN-3723-1
July 25, 2018
tomcat7, tomcat8 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Several security issues were fixed in Tomcat.
- - tomcat8: Servlet and JSP engine
- - tomcat7: Servlet and JSP engine
It was discovered that Tomcat incorrectly handled decoding certain
UTF-8 strings. A remote attacker could possibly use this issue to cause
Tomcat to crash, resulting in a denial of service. (CVE-2018-1336)
It was discovered that the Tomcat WebSocket client incorrectly performed
hostname verification. A remote attacker could possibly use this issue to
intercept sensitive information. (CVE-2018-8034)
The problem can be corrected by updating your system to the following
Ubuntu 16.04 LTS:
Ubuntu 14.04 LTS:
In general, a standard system update will make all the necessary changes.
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