CVE-2020-8938

Arbitrary enclave memory location write from untrusted environment

State: Published
Severity: 5.3 Medium
Published: Dec 15, 2020
Updated: Aug 4, 2024
Reserved: Feb 12, 2020

Description

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

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N	Google

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
AsyloGoogle LLC	0.6.0 and earlierAffected

References

https://github.com/google/asylo/commit/bda9772e7872b0d2b9bee32930cf7a4983837b39

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