Buffer overflow in Google Asylo
CVE-2020-8938
An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allows an attacker to make a host call to FromkLinuxSockAddr with attacker controlled content and size of klinux_addr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02
Vulnerability class: Buffer Overflow
EPSS: 0.001 (2.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N.
Affected products
- Google Asylo
- Google Llc Asylo — versions unspecified
Weakness classification (CWE)
References
- cve-coordination@google.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8938?
- CVE-2020-8938 is a medium-severity vulnerability in Google Asylo, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2020-12-15.
- How severe is CVE-2020-8938?
- Medium severity. CVSS v3 base score is 5.3 out of 10.