Read the docs
TI-2020-07173 Aliases CVE-2020-8939GHSA-8mgg-4h42-8rj6

Out of Bounds read in Asylo

Priority LOW 24CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

An out of bounds read on the enc_untrusted_inet_ntop function allows an attack to extend the result size that is used by memcpy() to read memory from within the enclave heap. We recommend upgrading past commit 6ff3b77ffe110a33a2f93848a6333f33616f02c4

Why it matters now

EPSS 0.00135 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleAsyloup to 0.6.0—No fix listedCNA
  • Asylo VendorGoogle Affected up to 0.6.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*up to 0.6.0VulnerableGoogle
  • cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:* Versions up to 0.6.0 Vulnerable ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-8939
  2. 2026-10-03 Alias added: GHSA-8mgg-4h42-8rj6

References

Patch 1

  • TI-2020-07152 Arbitrary trusted memory overwrite vulnerability in Asylo CVSS 3.1CRITICAL 9.6
  • TI-2021-05511 Enclave memory overwrite/overread vulnerability in Asylo UntrustedCacheMalloc::GetBuffer CVSS 3.1HIGH 7.8
  • TI-2021-05510 Arbitrary enclave memory overwrite vulnerability in Asylo TrustedPrimitives::UntrustedCall CVSS 3.1HIGH 7.8
  • TI-2021-05509 Arbitrary enclave memory overread vulnerability in Asylo TrustedPrimitives::UntrustedCall CVSS 3.1HIGH 7.8
  • TI-2020-07169 Memory corruption in Google Asylo CVSS 3.1HIGH 7.8
  • TI-2020-07153 Confidential Information Disclosure vulnerability in Asylo CVSS 3.1MEDIUM 6.5
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences