Google's Project Zero vulnerability hunting team has publicly disclosed an unpatched bug in the SymCrypt cryptography library for Windows, which could create a denial of service condition when the user initiates any function that requires cryptography.
Project Zero researcher Tavis Ormandy said in a June 11 tweet that even though the problem is of "relatively low severity," it is worth taking note of because it "could take down an entire windows fleet relatively easily."
"There's a bug in the SymCrypt multi-precision arithmetic routines that can cause an infinite loop when calculating the modular inverse on specific bit patterns with bcryptprimitives!SymCryptFdefModInvGeneric," explains an online vulnerability analysis written by Ormandy and published by Project Zero.
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