5.5
CVSSv3

CVE-2021-22552

Published: 02/08/2021 Updated: 10/08/2021
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Vulnerability Summary

An untrusted memory read vulnerability in Asylo versions up to 0.6.1 allows an untrusted malicious user to pass a syscall number in MessageReader that is then used by sysno() and can bypass validation. This can allow the malicious user to read memory from within the secure enclave. We recommend updating to Asylo 0.6.3 or past github.com/google/asylo/commit/90d7619e9dd99bcdb6cd28c7649d741d254d9a1a

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google asylo