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RHSA-2007:0340: tomcat security update

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RHSA-2007:0340: tomcat security update



Updated tomcat packages that fix multiple security issues are now available for Red Hat Application Server. This update has been rated as having important security impact by the Red Hat Security Response Team.

Tomcat is a servlet container for Java Servlet and JavaServer Pages technologies. Tomcat was found to accept multiple content-length headers in a request. This could allow attackers to poison a web-cache, bypass web application firewall protection, or conduct cross-site scripting attacks. (CVE-2005-2090) Tomcat permitted various characters as path delimiters. If Tomcat was used behind certain proxies and configured to only proxy some contexts, an attacker could construct an HTTP request to work around the context restriction and potentially access non-proxied content. (CVE-2007-0450) Several applications distributed in the JSP examples displayed unfiltered values. If the JSP examples are accessible, these flaws could allow a remote attacker to perform cross-site scripting attacks. (CVE-2005-4838, CVE-2006-7195, CVE-2006-7196) The default Tomcat configuration permitted the use of insecure SSL cipher suites including the anonymous cipher suite. (CVE-2007-1858) Directory listings were enabled by default in Tomcat. Information stored unprotected under the document root was visible to anyone if the administrator did not disable directory listings. (CVE-2006-3835) It was found that generating listings of large directories was CPU intensive. An attacker could make repeated requests to obtain a directory listing of any large directory, leading to a denial of service. (CVE-2005-3510) Users should upgrade to these erratum packages which contain an update to Tomcat and the addition of backported security patches to resolve these issues.


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