Apple Safari vulnerable to multiple attacks

Researcher warns that read- and write-access violations could crash the browser and another vulnerability could spoof the address bar in Windows.

Safari users may be subject to crashes or interactions with an attacker's malicious site, according to a warning posted on Tuesday on BugTraq.

Researcher Juan Pablo Lopez Yacubian is credited with finding multiple vulnerabilities in Apple Safari 3.1.1 for Windows. Other versions of Safari may also be affected.

Among the vulnerabilities cited are a denial-of-service (crash) vulnerability caused by a write-access violation, a denial-of-service (crash) vulnerability caused by a read-access violation, and a third vulnerability that allows attackers to spoof the content contained in the address bar. A full write up can be found here .

In a separate mailing to Bugtraq, Juan Pablo Lopez Yacubian says he was also able to use a similar exploit to crash Mozilla Firefox 3 beta 5.

That said, the general workaround is not to use Safari 3.1.1 for Windows until Apple issues a fix. Versions of Firefox 2.x and Opera are recommended.

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