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RHSA-2007:1083: thunderbird security update

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RHSA-2007:1083: thunderbird security update



Updated thunderbird packages that fix several security issues are now available for Red Hat Enterprise Linux 4 and 5. This update has been rated as having moderate security impact by the Red Hat Security Response Team.

Mozilla Thunderbird is a standalone mail and newsgroup client. A cross-site scripting flaw was found in the way Thunderbird handled the jar: URI scheme. It may be possible for a malicious HTML mail message to leverage this flaw, and conduct a cross-site scripting attack against a user running Thunderbird. (CVE-2007-5947) Several flaws were found in the way Thunderbird processed certain malformed HTML mail content. A HTML mail message containing malicious content could cause Thunderbird to crash, or potentially execute arbitrary code as the user running Thunderbird. (CVE-2007-5959) A race condition existed when Thunderbird set the "window.location" property when displaying HTML mail content. This flaw could allow a HTML mail message to set an arbitrary Referer header, which may lead to a Cross-site Request Forgery (CSRF) attack against websites that rely only on the Referer header for protection. (CVE-2007-5960) All users of thunderbird are advised to upgrade to these updated packages, which contain backported patches to resolve these issues.


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