An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

🗓️ 24 Dec 2020 08:00:00Reported by MicrosoftType

mscve

mscve🔗 msrc.microsoft.com👁 2 Views

Heap over-read in p11-kit RPC may read up to four bytes beyond heap allocation during PKCS11 calls.

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Vulners

Node

microsoft cm1_p11-kit_0.23.22-1Range<0.23.22-1

24 Dec 2020 08:00Current

8.7High risk

Vulners AI Score8.7

CVSS 25

CVSS 3.15.3

EPSS0.02243

heap overread remote procedure call pkcs11 calls