CVE-2020-8935

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Published Dec 15, 2020 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Google LLC

Asylo

affected

Version	Status	Constraints
`unspecified`	affected	≤ 0.6.0

Configuration 1 [-]

cpe:2.3:a:google:asylo:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-29766	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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.141% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/google/asylo/commit/ed0926bff0e423cd122a18b3d2fc772817f66825

History

No history.

Subscriptions

Google Asylo

Weaknesses

Sources

CVE record Updated: Aug 4, 2024, 10:12 AM

Status: PUBLISHED
Assigner: Google
Published: Dec 15, 2020, 2:55 PM
Updated: Aug 4, 2024, 10:12 AM
Reserved: Feb 12, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:27 AM

Status: Modified
Published: Dec 15, 2020, 3:15 PM
Modified: Jun 17, 2026, 3:27 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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