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Date: Tue, 15 Dec 2015 20:47:47 +0000 From: Haifei Li <haifei-non-reply@...look.com> To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>, "bugtrace@...il.com" <bugtrace@...il.com>, "bugtraq@...urityfocus.com" <bugtraq@...urityfocus.com>, "submissions@...ketstormsecurity.org" <submissions@...ketstormsecurity.org> Subject: [FD] #BadWinmail: The "Enterprise Killer" Attack Vector in Microsoft Outlook Hi All, I have released a paper & demo describing a novel/serious attack vector I discovered in Microsoft Outlook. Paper: https://sites.google.com/site/zerodayresearch/BadWinmail.pdfDemo: https://www.youtube.com/watch?v=ngWVbcLDPm8 Reference:https://technet.microsoft.com/en-us/library/security/ms15-131.aspxhttp://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6172 --ConclusionIn this report, the author disclosed a novel attack vector to attack Outlook users via emails, which theauthor named as BadWinmail. Specifically, we disclosed that a Flash (or other types of) exploit can bepacked and delivered via a TNEF email (or MSG attachment). The most serious impact is that the exploitwill get executed as long as the Outlook user reads/previews the attacking email. Because there is nosandbox on Outlook, it allows the attacker to take control of the victim’s computer immediately. BadWinmail is an ideal attacking technique for targeted/APT attacks because of its severity and thenature of email-based attacks - all the attacker needs to know is the victim’s email address. It’s a “killer”exploit-delivering method as usual tricks such as delivering via email attachments or delivering via URLs(in email bodies) require additional user interactions and are protected by various applicationsandboxes. It’s also a wormable issue rarely seen on Windows platform nowadays.-- Thanks,Haifei _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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