USN-3519-1: Tomcat vulnerabilities
Ubuntu Security Notice USN-3519-1
8th January, 2018
tomcat7, tomcat8 vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in Tomcat.
Software description
- tomcat7
– Servlet and JSP engine - tomcat8
– Servlet and JSP engine
Details
It was discovered that Tomcat incorrectly handled certain pipelined
requests when sendfile was used. A remote attacker could use this issue to
obtain wrong responses possibly containing sensitive information.
(CVE-2017-5647)
It was discovered that Tomcat incorrectly used the appropriate facade
object. A malicious application could possibly use this to bypass Security
Manager restrictions. (CVE-2017-5648)
It was discovered that Tomcat incorrectly handled error pages. A remote
attacker could possibly use this issue to replace or remove the custom
error page. (CVE-2017-5664)
It was discovered that Tomcat incorrectly handled the CORS filter. A remote
attacker could possibly use this issue to perform cache poisoning.
(CVE-2017-7674)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.04:
-
tomcat8
8.0.38-2ubuntu2.2
-
libtomcat8-java
8.0.38-2ubuntu2.2
- Ubuntu 16.04 LTS:
-
tomcat8
8.0.32-1ubuntu1.5
-
libtomcat8-java
8.0.32-1ubuntu1.5
- Ubuntu 14.04 LTS:
-
tomcat7
7.0.52-1ubuntu0.13
-
libtomcat7-java
7.0.52-1ubuntu0.13
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3519-1: Tomcat vulnerabilities
