PT-2020-20361

CVE-2020-8904

Published

2020-08-12

Updated

2020-08-13

Description by

CVSS 3.1

9.6

Critical

MetricsAV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions Asylo versions prior to 0.6.0

Description The issue is related to an arbitrary memory overwrite in the trusted memory of Asylo. It occurs because the ecall restore function does not properly validate the range of the output len pointer, allowing an attacker to manipulate the tmp output len value and write to any location in the trusted memory.

Recommendations Update Asylo to version 0.6.0 or later.

Exploitability

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration