Technical Description

Multiple vulnerabilities have been identified in Apple Safari, which could be exploited by remote attackers to disclose sensitive information, cause a denial of service or execute arbitrary code.

The first issue is caused by an error in WebKit when handling URLs containing a colon character in the host name, which could be exploited to conduct cross-site scripting attacks.

The second vulnerability is caused by a buffer overflow error in WebKit when handling JavaScript regular expressions, which could be exploited by remote attackers to crash an affected browser or compromise a vulnerable system via a specially crafted web page.

Affected Products

Apple Safari versions prior to 3.1.1

Solution

Upgrade to Safari version 3.1.1 :
http://www.apple.com/support/downloads/safari311.html

References

http://www.vupen.com/english/advisories/2008/1250
http://support.apple.com/kb/HT1467
http://zerodayinitiative.com/advisories/ZDI-08-022/

Credits

Vulnerabilities reported by Robert Swiecki (Google Information Security Team), David Bloom, Charlie Miller, Jake Honoroff and Mark Daniel.

ChangeLog

2008-04-17 : Initial release

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