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TI-2020-07178 Aliases CVE-2020-8944GHSA-mx6v-gg5x-68cf

Unchecked buffer overrun in ecall_restore

Priority LOW 24CWE-120Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An arbitrary memory write vulnerability in Asylo versions up to 0.6.0 allows an untrusted attacker to make a call to ecall_restore using the attribute output which fails to check the range of a pointer. An attacker can use this pointer to write to arbitrary memory addresses including those within the secure enclave We recommend upgrading past commit 382da2b8b09cbf928668a2445efb778f76bd9c8a

Why it matters now

EPSS 0.00158 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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-2020-8944
  2. 2026-10-03 Alias added: GHSA-mx6v-gg5x-68cf

References

Exploit 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