CVE-2020-8935 - Vulnerability Details - OpenCVE

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.

Published: 2020-12-15

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

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.

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.

The EPSS score is 0.00017.

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

MITRE

Status: PUBLISHED

Assigner: Google

Published: 2020-12-15T14:55:32.000Z

Updated: 2024-08-04T10:12:11.011Z

Reserved: 2020-02-12T00:00:00.000Z

Link: CVE-2020-8935

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-15T15:15:12.987

Modified: 2024-11-21T05:39:41.890

Link: CVE-2020-8935

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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