Code Signing Flaw Affects all Mac OS Versions Since 2005
Okta Rex (Research and Exploitation) researcher Josh Pitts has discovered a method of exploiting the code signing mechanism in MacOS. If exploited, the flaw could allow malicious untrusted code to masquerade as legitimate trusted code and bypass checks by other security software.
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Story added 12. June 2018, content source with full text you can find at link above.