CVE-2020-8938 - CVE House
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Status published Medium CVE-2020-8938

Arbitrary enclave memory location write from untrusted environment

Vulnerability 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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Qinkun Bao (Baidu Security)
  • Zhaofeng Chen (Baidu Security)
  • Mingshen Sun (Baidu Security)
  • Kang Li (Baidu Security)

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Affected Vendor

Affected Software

Asylo
Vulnerable Versions:
unspecified

Timeline

Official Publish: December 15th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.