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Don't run IE and Firefox together


"Critical" security risk

Security experts have wanted that Firefox combined with Internet Explorer on the same desktop opens up a highly critical zero-day vulnerability.

Both Symantec and Secunia have reported the problem but neither is quite sure which browser is responsible.

According to Cnet, the problem is caused when browsing a malicious site while using IE and it registers a "firefoxurl://" URI (uniform resource identifier) handler, which allows the browser to interact with specific resources on the Web. As a result, users may find their systems remotely compromised.

Symantec's Security Response Center said that the two browsers were not playing well together and leading to a security issue. They are secure as stand-alone browsers but not together.

System administrators could unregister, or remove, the "Firefox URL" URI handler, as well as change the way Firefox accepts the chrome input.

More here.
Last modified on 12 July 2007
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