Zero-Day PowerPoint Attacks Under Way

Microsoft’s PowerPoint application is being used in a new attack that exploits an unpatched vulnerability in the popular Office app. The software giant yesterday issued a security alert confirming “limited and targeted attacks” were under way using malicious PowerPoint files that exploit the flaw.

The exploits carry a Trojan, according to Microsoft, and in an interesting twist, the exploit files were recently submitted to the VirusTotal free malware-scanning site. “Either the miscreants who created these exploits were looking to see how antivirus products detect their new files, or the victims were looking to get some information about their maliciousness,” blogged Cristian Craioveanu and Ziv Mador of Microsoft’s Malware Protection Center.

When exploited, the vulnerability can give an attacker local rights to a user’s machine if he opens the malicious PowerPoint file, which is currently being delivered via targeted email messages, but can also be pushed via a Website or instant messaging link.

The vulnerability affects PowerPoint 2000 Service Pack 3, PowerPoint 2002 Service Pack 3, PowerPoint 2003 Service Pack 3, and Microsoft Office 2004 for Mac . The newer Microsoft Office PowerPoint 2007 and Microsoft Office for Mac 2008 are immune.

via Dark Reading:  Zero-Day PowerPoint Attacks Under Way

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