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RHSA-2013:1480: thunderbird security update

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RHSA-2013:1480: thunderbird security update



Mozilla Thunderbird is a standalone mail and newsgroup client.Several flaws were found in the processing of malformed content. Maliciouscontent could cause Thunderbird to crash or, potentially, execute arbitrarycode with the privileges of the user running Thunderbird. (CVE-2013-5590,CVE-2013-5597, CVE-2013-5599, CVE-2013-5600, CVE-2013-5601, CVE-2013-5602)It was found that the Thunderbird JavaScript engine incorrectly allocatedmemory for certain functions. An attacker could combine this flaw withother vulnerabilities to execute arbitrary code with the privileges of theuser running Thunderbird. (CVE-2013-5595)A flaw was found in the way Thunderbird handled certain ExtensibleStylesheet Language Transformations (XSLT) files. An attacker could combinethis flaw with other vulnerabilities to execute arbitrary code with theprivileges of the user running Thunderbird. (CVE-2013-5604)Red Hat would like to thank the Mozilla project for reporting theseissues. Upstream acknowledges Jesse Ruderman, Christoph Diehl, Dan Gohman,Byoungyoung Lee, Nils, and Abhishek Arya as the original reporters of theseissues.Note: All of the above issues cannot be exploited by a specially-craftedHTML mail message as JavaScript is disabled by default for mail messages.They could be exploited another way in Thunderbird, for example, whenviewing the full remote content of an RSS feed.For technical details regarding these flaws, refer to the Mozilla securityadvisories for Thunderbird 17.0.10 ESR. You can find a link to the Mozillaadvisories in the References section of this erratum.All Thunderbird users should upgrade to this updated package, whichcontains Thunderbird version 17.0.10 ESR, which corrects these issues.After installing the update, Thunderbird must be restarted for the changesto take effect.


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