CVE-2020-8938: Arbitrary enclave memory location write from untrusted environment
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 klinuxaddr which allows an attacker to write memory values from within the enclave. We recommend upgrading past commit a37fb6a0e7daf30134dbbf357c9a518a1026aa02
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2020-8938?
CVE-2020-8938 is classified as a high severity vulnerability due to its potential for arbitrary memory overwrite.
How do I fix CVE-2020-8938?
To remediate CVE-2020-8938, upgrade to Asylo version 0.7.0 or later, as earlier versions are affected.
What software is affected by CVE-2020-8938?
CVE-2020-8938 affects Google Asylo versions up to and including 0.6.0.
What type of vulnerability is CVE-2020-8938?
CVE-2020-8938 is an arbitrary memory overwrite vulnerability that allows attackers to manipulate memory from within the enclave.
Can CVE-2020-8938 be exploited remotely?
Yes, CVE-2020-8938 can be exploited remotely if an attacker has the ability to make host calls with controlled input.