CVE-2021-22548 MEDIUM

CVE-2021-22548: Arbitrary enclave memory overread vulnerability in Asylo TrustedPrimitives::UntrustedCall

Vendor Google Llc
Product Asylo
Weakness CWE-788
Published June 8, 2021
Last update September 17, 2024

CVSS base score

6.5/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

What the vulnerability does

01Description

An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c

Key dates

02Disclosure timeline

June 8, 2021 CVE published
September 17, 2024 Record updated