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MEDIUM · 5.3

CVE-2020-8935

An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allow an attacker to make an Ecall_restore function call to reallocate untrusted code and overwrite sections of the Enclave me...

Vulnerability Description

An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allow an attacker to make an Ecall_restore function call to reallocate untrusted code and overwrite sections of the Enclave memory address. We recommend updating your library.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
GoogleAsylo<= 0.6.0

Related Weaknesses (CWE)

CWE-119CWE-787

References

FAQ

What is CVE-2020-8935?

CVE-2020-8935 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An arbitrary memory overwrite vulnerability in Asylo versions up to 0.6.0 allow an attacker to make an Ecall_restore function call to reallocate untrusted code and overwrite sections of the Enclave me...

How severe is CVE-2020-8935?

CVE-2020-8935 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-8935?

Check the references section above for vendor advisories and patch information. Affected products include: Google Asylo.