VULNERABILITY INTELLIGENCE
CVE-2020-8944
CVSS score5.3 MEDIUM
EPSS probability0.16%
CISA KEVNot currently listed
Published2020-12-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Description
An arbitrary memory write vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a call to ecall_restore using the attribute output which fails to check the range of a pointer. An attacker can use this pointer to write to arbitrary memory addresses including those within the secure enclave We recommend upgrading past commit 382da2b8b09cbf928668a2445efb778f76bd9c8a
Weakness classification
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-787: Out-of-bounds Write
Primary references
- cve-coordination@google.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory