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The remote Red Hat host is missing one or more security updates.
Updated tomcat6 packages that fix three security issues and several
bugs are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
moderate 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.
Apache Tomcat is a servlet container for the Java Servlet and
JavaServer Pages (JSP) technologies.
It was found that web applications could modify the location of the
Tomcat host's work directory. As web applications deployed on Tomcat
have read and write access to this directory, a malicious web
application could use this flaw to trick Tomcat into giving it read
and write access to an arbitrary directory on the file system.
A cross-site scripting (XSS) flaw was found in the Manager
application, used for managing web applications on Tomcat. If a remote
attacker could trick a user who is logged into the Manager application
into visiting a specially crafted URL, the attacker could perform
Manager application tasks with the privileges of the logged in user.
A second cross-site scripting (XSS) flaw was found in the Manager
application. A malicious web application could use this flaw to
conduct an XSS attack, leading to arbitrary web script execution with
the privileges of victims who are logged into and viewing Manager
application web pages. (CVE-2011-0013)
This update also fixes the following bugs :
* A bug in the 'tomcat6' init script prevented additional Tomcat
instances from starting. As well, running 'service tomcat6 start'
caused configuration options applied from '/etc/sysconfig/tomcat6' to
be overwritten with those from '/etc/tomcat6/tomcat6.conf'. With this
update, multiple instances of Tomcat run as expected. (BZ#636997)
* The '/usr/share/java/' directory was missing a symbolic link to the
'/usr/share/tomcat6/bin/tomcat-juli.jar' library. Because this library
was mandatory for certain operations (such as running the Jasper JSP
precompiler), the 'build-jar-repository' command was unable to compose
a valid classpath. With this update, the missing symbolic link has
been added. (BZ#661244)
* Previously, the 'tomcat6' init script failed to start Tomcat with a
'This account is currently not available.' message when Tomcat was
configured to run under a user that did not have a valid shell
configured as a login shell. This update modifies the init script to
work correctly regardless of the daemon user's login shell.
Additionally, these new tomcat6 packages now set '/sbin/nologin' as
the login shell for the 'tomcat' user upon installation, as
recommended by deployment best practices. (BZ#678671)
* Some standard Tomcat directories were missing write permissions for
the 'tomcat' group, which could cause certain applications to fail
with errors such as 'No output folder'. This update adds write
permissions for the 'tomcat' group to the affected directories.
* The '/usr/sbin/tomcat6' wrapper script used a hard-coded path to the
'catalina.out' file, which may have caused problems (such as for
logging init script output) if Tomcat was being run with a user other
than 'tomcat' and with CATALINA_BASE set to a directory other than the
default. (BZ#695284, BZ#697504)
* Stopping Tomcat could have resulted in traceback errors being logged
to 'catalina.out' when certain web applications were deployed.
Users of Tomcat should upgrade to these updated packages, which
contain backported patches to correct these issues. Tomcat must be
restarted for this update to take effect.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.4
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 54601 ()
Bugtraq ID: 450154617446177
CVE ID: CVE-2010-3718CVE-2010-4172CVE-2011-0013
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