Mozilla Firefox 220.127.116.11 Released with Fix for firefoxurl:// Exploit
Wednesday July 18th, 2007
Mozilla Firefox 18.104.22.168 has been released and is currently being distributed to Firefox 2 users via the application's built-in software update system. The browser upgrade fixes several security bugs, which are detailed in the Firefox 22.214.171.124 section of the Mozilla Foundation Security Advisories page.
Firefox 126.96.36.199 includes a fix for the firefoxurl:// security exploit, which allows an attacker to use Microsoft Internet Explorer to trick Firefox into executing malicious code. Whether Firefox or IE is responsible for the flaw has been a matter of debate over the past week. The Mozilla Foundation security advisory about the firefoxurl:// issue maintains that it's a problem in IE and notes that other applications could be exploited in the same way. Others have argued that it's Firefox's responsibility to vet incoming data (something 188.8.131.52 now does).
Firefox 184.108.40.206 can be downloaded from the Firefox product page. The Firefox 220.127.116.11 Release Notes contain more general information about the upgrade. A similar update for Mozilla Thunderbird is expected shortly.
#2 MFSA 2007-24
Wednesday July 18th, 2007 6:19 AM
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MFSA 2007-24 at <http://www.mozilla.org/se…nce/2007/mfsa2007-24.html> is amusing. It starts off with a standard description of the problem, then segues into a a thoroughly post-modern discussion about the severity:
"Dan says: 'stealing sensitive data' should be sg:high (possibly lowered to sg:moderate if it's a completely unreliable attack, involves unlikely user interaction, or not really any potential victim sites matching the criteria. There are enough ajaxy sites potentially vulnerable to stick with 'high') Boris, which is it? Can you massage this description into just the cases we know about?"