- Vulnerability/
- USN-3723-1
USN-3723-1: Tomcat vulnerabilities
First published: Wed Jul 25 2018(Updated: )
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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/libtomcat8-java | <8.0.32-1ubuntu1.7 | 8.0.32-1ubuntu1.7 |
| =16.04 | ||
| All of | ||
| ubuntu/tomcat8 | <8.0.32-1ubuntu1.7 | 8.0.32-1ubuntu1.7 |
| =16.04 | ||
| All of | ||
| ubuntu/libtomcat7-java | <7.0.52-1ubuntu0.15 | 7.0.52-1ubuntu0.15 |
| =14.04 | ||
| All of | ||
| ubuntu/tomcat7 | <7.0.52-1ubuntu0.15 | 7.0.52-1ubuntu0.15 |
| =14.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2018-1336
- https://ubuntu.com/security/CVE-2018-8034
- https://ubuntu.com/security/notices/USN-4791-1
- https://launchpad.net/ubuntu/+source/tomcat8/8.0.32-1ubuntu1.7
- https://launchpad.net/ubuntu/+source/tomcat7/7.0.52-1ubuntu0.15
- https://ubuntu.com/security/notices/USN-3723-1 (Advisory)
Frequently Asked Questions
What is USN-3723-1?
USN-3723-1 is the identifier for a security advisory released by Ubuntu that addresses vulnerabilities in Tomcat.
What is the severity of CVE-2018-1336?
The severity of CVE-2018-1336 is not specified in the provided information.
How does CVE-2018-1336 impact Tomcat?
CVE-2018-1336 can cause Tomcat to crash, resulting in a denial of service.
What versions of Tomcat are affected by USN-3723-1?
Versions 8.0.32-1ubuntu1.7 and earlier of libtomcat8-java and tomcat8, as well as versions 7.0.52-1ubuntu0.15 and earlier of libtomcat7-java and tomcat7, are affected by USN-3723-1.
How can I fix the vulnerabilities in Tomcat?
To fix the vulnerabilities, update the affected versions of libtomcat8-java, tomcat8, libtomcat7-java, and tomcat7 to versions 8.0.32-1ubuntu1.7, 7.0.52-1ubuntu0.15, 8.0.32-1ubuntu1.7, and 7.0.52-1ubuntu0.15 respectively.
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