rpcserver: Check unauthorized access in const time. #2509
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davecgh
approved these changes
Dec 14, 2020
The comparisons of the hashed authentication details against the expected values was constant time, but the checks for whether successful auth matched the admin or limited privileges was not. Correct this by performing the bitwise OR of each before comparing.
davecgh
changed the title
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The comparisons of the hashed authentication details against the
expected values was constant time, but the checks for whether
successful auth matched the admin or limited privileges was not.
Correct this by performing the bitwise OR of each before comparing.