19. Counter Based Authenticated Variable Issue

Description:

The variable AuthVarKeyDatabase is internally used by the UEFI variable driver and was protected with a counter-based authentication attribute. The implementation used an incorrect public key to process updates to this variable.

Recommendation:

This issue has been addressed by EDK2 SVN https://sourceforge.net/p/edk2/code/16220.

Credit:

Reported by Intel.

References:

• USRT M1290

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