An updated jbossweb package that fixes two security issues is now available for JBoss Enterprise Application Platform 4.2 and 4.3 for Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
JBoss Web is the web container, based on Apache Tomcat, in JBoss Enterprise Application Platform. It provides a single deployment platform for the JavaServer Pages (JSP) and Java Servlet technologies, Microsoft .NET, PHP, and CGI. A flaw was found in the way JBoss Web handled the Transfer-Encoding header in HTTP requests. A specially-crafted HTTP request could prevent JBoss Web from sending replies, or cause JBoss Web to return truncated replies, or replies containing data related to the requests of other users, for all subsequent HTTP requests. (CVE-2010-2227) A possible minor information leak was found in the way JBoss Web generated HTTP BASIC and DIGEST authentication requests. For configurations where a realm name was not specified and JBoss Web was accessed via a proxy, the default generated realm contained the hostname and port used by the proxy to send requests to the JBoss Web server. (CVE-2010-1157) Users of JBoss Web should upgrade to this updated package, which upgrades JBoss Web to version 2.0.0.CP14, and resolves these issues. The JBoss server process must be restarted for this update to take effect.