This is indeed a thing. Seems like this is the season of Windows privesc vuls! https://twitter.com/decoder_it/status/1207352014797193223 …pic.twitter.com/7aFIPbwsGo
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Vulnerability Analyst at the CERT/CC. My thoughts are my own, not my employer's.
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This is indeed a thing. Seems like this is the season of Windows privesc vuls! https://twitter.com/decoder_it/status/1207352014797193223 …pic.twitter.com/7aFIPbwsGo
https://blogs.msdn.microsoft.com/aaron_margosis/2014/11/14/it-rather-involved-being-on-the-other-side-of-this-airtight-hatchway-unquoted-service-paths/ … - if I had a dollar for every time I've sent this to a researcher......
I’m under the impression nothing they did requires admin?https://blogs.windows.com/windowsdeveloper/2016/12/02/symlinks-windows-10/ …
'a user (with admin rights) can first enable Developer Mode, and then any user on the machine can run the mklink command without elevating a command-line console.' - wouldn't they need admin to enable this functionality though?
Reading comprehension fail on my part. Thanks Nate.
Mitja Kolsek Retweeted wLcY
Not so fast! As @tiraniddo has shown way back in 2015, arbitrary hard links can be made as non-admin and that has revealed lots of vulns like this one. This has only recently been mitigated on Windows 10 (see https://twitter.com/x9090/status/1121076444107395073 …). This vuln looks legit for all other OSs.
Mitja Kolsek added,
I've confirmed that this mitigation on Windows 10 Insider Preview does appear to prevent this exploit from functioning as described. Now if only the hard link protection was present on Windows versions that mere mortals use...pic.twitter.com/5iLchAwr6I
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