The Truth Behind the IE-Firefox Exploit
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Before the sun set on Microsoft&#39;s Patch Tuesday this month, security firm Secunia discovered a vulnerability in Firefox that malicious hackers could exploit to compromise a user&#39;s system. Here&#39;s the catch: Exploiting the bug depends on interaction between Mozilla&#39;s browser and Microsoft&#39;s Internet Explorer.
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Firefox and Internet Explorer 7 do not properly handle JavaScript "onUnload" events and can be tricked into taking a user to the wrong URL, according to security researcher Michal Zalewski.
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An independent researcher finds an Internet Explorer vulnerability that could turn drag-and-drop into drag-and-infect.
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Ten security flaws found in Firefox browser, Thunderbird e-mail client.
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During the course of this weekend, hackers found an ingenious way to attack Microsoftâs ubiquitous Internet Explorer: compromise an ad networkâs servers.
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New vulnerabilities include a critical flaw in Internet Explorer and a "major" bug in Firefox.
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InfoWorld - A security researcher has found a security bug that could be attacked in Internet Explorer. Mozilla said it plans to patch the problem in its next Firefox software update.
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Microsoft on Wednesday released an update to Internet Explorer (IE) to fix a security flaw that was discovered a month ago and has since been exploited to attack users.
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Security experts uncovered yet another bug in Internet Explorer this week, one that could let attackers replace the content of any legit site with their own, making it possible to spoof critical pages such as e-bank account access log-in forms or credit
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Because Internet Explorer is one of the programs vulnerable to a newly discovered Windows image flaw, it is possible that someone could fall victim to a virus written to exploit it just by visiting a Web site that uses JPEG images.
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Take heart, Internet Explorer users. Now it appears that virtually every Internet browser program - not just yours - poses a security risk.
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A Firefox 'flaw' revealed at a hacker conference over the weekend was a joke, hacker admits.
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A newly reported security problem in Microsoft&#39;s Internet Explorer (IE) Web browser allows attackers to create a fake Web site that looks exactly like a genuine site.
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A security researcher has found a security bug that could be attacked in Internet Explorer. Mozilla Corp. said it plans to patch the problem in its next Firefox software update.
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Ziff Davis - Security researchers have uncovered a spoofing flaw in Internet Explorer that could allow a scammer to display a fake Web site with all the attributes of a genuine, secure site.
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Every time a new IE security flaw is announced, or whenever someone gets fed up with hackers manipulating their Web browser, Firefox and other Mozilla-based browsers get a bump in the marketplace.
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(InfoWorld) - Mozilla late yesterday patched Firefox to fix nine bugs, including the controversial critical vulnerability that involved both the open source Web browser and Microsoft's Internet Explorer. Firefox 2.0.0.5, which can be downloaded in versions for Windows, Mac OS X, and Linux in 42 localized editions, fixes the "firefoxurl://" vulnerability that can be exploited only on systems where Firefox is installed but IE is the primary browser. For the past week, researchers have quarreled over whether Mozilla or Microsoft was responsible for the flaw and which company should patch its software. In the security advisory, one of eight issued yesterday that outline the nine bugs, Mozilla again refrained from expressly putting the onus on Microsoft. But as before, it came close. "Other Windows applications can be called in this way and also manipulated to execute malicious code," read the advisory. "This fix only prevents Firefox and Thunderbird from accepting bad data. This patch does not fix the vulnerability in Internet Explorer." And more blunt was the single suggested work-around. "Mozilla highly recommends using Firefox to browse the Web to prevent attackers from exploiting this problem in Internet Explorer," it said. One of the researchers who last week pinned blame on Microsoft had not changed his tune as of yesterday. "This [Firefox patch] does not actually fix the flaw in Internet Explorer, but simply patches one of the myriads of attack vectors," said Thor Larholm, a Danish researcher who publicized the exploit. "I can definitely understand the initial reaction from Microsoft. Most of the emphasis in the public vulnerability reports were dealing with Firefox, the '-chrome' command-line argument, and how to properly escape the exploit code. "However, I can still automatically launch a wide range of external applications from Internet Explorer and provide them with arbitrary command-line arguments, [including] AcroRd32.exe (Adobe Acrobat PDF Reader), aim.exe (AOL Instant Messenger), Outlook.exe, msimn.exe (Outlook Express), netmeeting.exe, HelpCtr.exe (Windows Help Center), mirc.exe, Skype.exe, wab.exe (Windows Address Book), and wmplayer.exe (Windows Media Player), just to name a few," Larholm wrote. Microsoft's position last week has been that IE is not buggy and so wouldn't be patched. "Microsoft has thoroughly investigated the claim of a vulnerability in Internet Explorer and found that this is not a vulnerability in a Microsoft product," a spokesman said last Thursday. Other patches put into place by 2.0.0.5 included multiple memory corruption bugs. "With enough effort ... some of these could be exploited to run arbitrary code," a cross-site scripting vulnerability and a flaw that could give attackers access to the browser's cache. Mozilla picked up the pace to push Firefox 2.0.0.5 out to users earlier than scheduled. On Monday, Mozilla developers pegged the update as a "fire drill release" because of the critical nature of the firefoxurl:// bug. At the time, July 19 was the target for 2.0.0.5's release. "But we might be able to accelerate the release," notes from a weekly status meeting read. This is the first update to Firefox since support for the older 1.5.x line was discontinued. Earlier this month, users of that version were offered an automatic update to Firefox 2.0.0.4.