A vulnerability has been identified in Microsoft Internet Explorer, which could be exploited by attackers to compromise a vulnerable system. This issue is caused due to a memory corruption error in the Microsoft HTML Viewer (mshtml.dll) when retrieving certain CSS/STYLE objects via the "getElementsByTagName()" method, which could allow attackers to crash an affected browser or execute arbitrary code by tricking a user into visiting a malicious web page.
VUPEN has confirmed the vulnerability on fully patched Windows XP SP3 systems with Internet Explorer 7 and 6.
Credits Vulnerability reported by K4mr4n_st of securitylab.
ChangeLog 2009-11-21 : Initial release
2009-11-23 : Microsoft Security Advisory (977981) Available
2009-12-08 : Updated Solution Vulnerability Management
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