Tech Break

Jan 21st 2020

Tech Break 6065

Microsoft Issues Security Update to Fix "Curveball" Vulnerability

CurveBall Vulnerability
Category: TWiT Bits

"CurveBall" is a spoofing vulnerability in the way the certificates are accepted without proper verification of the explicit curve parameters within the certificates. Essentially, this flaw allows an attacker to supply his own generated X.509 certificates by using an “explicit parameters” option to set those curve parameters.

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