DLL hijacking is a vaguely yawn-worthy attack. But sure, worthy of fixing. But a document that causes MS Word to directly launch an EXE file from the same directory as the document is sure new to me! I wonder how common it is to open documents from untrusted locations...pic.twitter.com/SA9hB37ttx
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Thanks to
@buffaloverflow pointing out that with Office 2013 and earlier, all that's required is opening up a file directly from Firefox. This (both file planting and vul trigger) requires a click to get out of Protected Mode, so I'm still trying to gauge how important this is...pic.twitter.com/W85GHnGjDT4 replies 1 retweet 11 likesShow this thread -
Again from the same resource: https://research.nccgroup.com/2016/01/05/remote-exploitation-of-microsoft-office-dll-hijacking-ms15-132-via-browsers/ … Chromium-based browsers like Chrome and modern Edge download files w/o user interaction (WHY?!?) so this can be leveraged to pull off the attack on a system where everything is up do date.pic.twitter.com/za6gE81ozs
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As I review my notes, I'm reminded that I first clearly explained this exact problem to
@msftsecresponse in *2016* The case was dismissed as not being a vulnerability. So here I am, 1538 days later, putting together a report to confirm that this is really how they feel. <sigh>pic.twitter.com/oaKxTPgjZt6 replies 0 retweets 11 likesShow this thread -
More CERT/CC archaeology: Perhaps Microsoft treats MOTW as protection enough? That is, if somebody either clicks through the Office Protected View warning, or if they somehow don't have MOTW (e.g. the doc is in 7Zip, ISO, VHD, VHDX), then whatever happens to them is their fault?pic.twitter.com/77EvMkt94t
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And if this is the case, then this sort of attack (opening an RTF from an ISO (or similar)) probably would never happen in the real world, right?pic.twitter.com/5XZY6kZlev
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or... directly open an ads- containing the rtf, name it like the MOTW maybe....how they gonna mark that one? ads can be on folder, opened over smb/webdav
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