Application Security This Week for March 15

SMBv3 is borked.  Block port 445.

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200005

Sometimes I hate the human race.  Someone built a fake COVID-19 map and is using it to spread malware.

https://www.grahamcluley.com/coronavirus-map-used-to-spread-malware/

Not an appsec thing but NordVPN got popped - again.

https://www.theregister.co.uk/2020/03/06/nordvpn_no_auth_needed_view_user_payments/

Really need exploit on file upload in web applications that allows NTLMv2 hash theft.

http://www.mannulinux.org/2020/03/abusing-file-system-functions-in-web.html?m=1

Another neat finding from a bug bounty with CSRF in a JSON web service.

https://medium.com/@secureITmania/how-i-exploit-the-json-csrf-with-method-override-technique-71c0a9a7f3b0

Stay safe - and healthy - folks.