[USN-2654-1] Tomcat vulnerabilities
marc.deslauriers at canonical.com
Thu Jun 25 12:33:22 UTC 2015
Ubuntu Security Notice USN-2654-1
June 25, 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
Several security issues were fixed in Tomcat.
- tomcat7: Servlet and JSP engine
It was discovered that the Tomcat XML parser incorrectly handled XML
External Entities (XXE). A remote attacker could possibly use this issue to
read arbitrary files. This issue only affected Ubuntu 14.04 LTS.
It was discovered that Tomcat incorrectly handled data with malformed
chunked transfer coding. A remote attacker could possibly use this issue to
conduct HTTP request smuggling attacks, or cause Tomcat to consume
resources, resulting in a denial of service. This issue only affected
Ubuntu 14.04 LTS. (CVE-2014-0227)
It was discovered that Tomcat incorrectly handled HTTP responses occurring
before the entire request body was finished being read. A remote attacker
could possibly use this issue to cause memory consumption, resulting in a
denial of service. This issue only affected Ubuntu 14.04 LTS.
It was discovered that the Tomcat Expression Language (EL) implementation
incorrectly handled accessible interfaces implemented by inaccessible
classes. An attacker could possibly use this issue to bypass a
SecurityManager protection mechanism. (CVE-2014-7810)
The problem can be corrected by updating your system to the following
Ubuntu 14.04 LTS:
In general, a standard system update will make all the necessary changes.
CVE-2014-0119, CVE-2014-0227, CVE-2014-0230, CVE-2014-7810
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