RHSA-2011:0349 - Security Advisory

Topic

Updated tomcat5 packages that fix one security issue are now available for
JBoss Enterprise Web Server 1.0.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

Description

Apache Tomcat is a servlet container for the Java Servlet and JavaServer
Pages (JSP) technologies.

A denial of service flaw was found in the way certain strings were
converted to Double objects. A remote attacker could use this flaw to cause
Tomcat to hang via a specially-crafted HTTP request. (CVE-2010-4476)

Users of Tomcat should upgrade to these updated packages, which contain a
backported patch to correct this issue. Tomcat must be restarted for this
update to take effect.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

• JBoss Enterprise Web Server 1 for RHEL 5 x86_64
• JBoss Enterprise Web Server 1 for RHEL 5 i386

Fixes

• BZ - 674336 - CVE-2010-4476 JDK Double.parseDouble Denial-Of-Service

CVEs

• CVE-2010-4476

References

• https://access.redhat.com/security/updates/classification/#important
• http://tomcat.apache.org/security-5.html