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RHSA-2009:1164: tomcat security update

Severity CVSS Published Added Modified
5 (AV:N/AC:L/Au:N/C:N/I:N/A:P) February 11, 2008 September 12, 2009 March 21, 2018

Available Exploits 


Apache Tomcat is a servlet container for the Java Servlet and JavaServerPages (JSP) technologies.It was discovered that the Red Hat Security Advisory RHSA-2007:0871 did notaddress all possible flaws in the way Tomcat handles certain characters andcharacter sequences in cookie values. A remote attacker could use this flawto obtain sensitive information, such as session IDs, and then use thisinformation for session hijacking attacks. (CVE-2007-5333)Note: The fix for the CVE-2007-5333 flaw changes the default cookieprocessing behavior: with this update, version 0 cookies that containvalues that must be quoted to be valid are automatically changed to version1 cookies. To reactivate the previous, but insecure behavior, add thefollowing entry to the "/etc/tomcat5/" file:org.apache.tomcat.util.http.ServerCookie.VERSION_SWITCH=falseIt was discovered that request dispatchers did not properly normalize userrequests that have trailing query strings, allowing remote attackers tosend specially-crafted requests that would cause an information leak.(CVE-2008-5515)A flaw was found in the way the Tomcat AJP (Apache JServ Protocol)connector processes AJP connections. An attacker could use this flaw tosend specially-crafted requests that would cause a temporary denial ofservice. (CVE-2009-0033)It was discovered that the error checking methods of certain authenticationclasses did not have sufficient error checking, allowing remote attackersto enumerate (via brute force methods) usernames registered withapplications running on Tomcat when FORM-based authentication was used.(CVE-2009-0580)A cross-site scripting (XSS) flaw was found in the examples calendarapplication. With some web browsers, remote attackers could use this flawto inject arbitrary web script or HTML via the "time" parameter.(CVE-2009-0781)It was discovered that web applications containing their own XML parserscould replace the XML parser Tomcat uses to parse configuration files. Amalicious web application running on a Tomcat instance could read or,potentially, modify the configuration and XML-based data of other webapplications deployed on the same Tomcat instance. (CVE-2009-0783)Users of Tomcat should upgrade to these updated packages, which containbackported patches to resolve these issues. Tomcat must be restarted forthis update to take effect.

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