CVE-2017-7563 - Vulnerability Details - OpenCVE

Description

In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing attackers to bypass the MT_EXECUTE_NEVER protection mechanism. This issue occurs because of inconsistency in the number of execute-never bits (one bit versus two bits).

Published: 2017-06-07

Score: 8.1 High

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

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:arm:arm_trusted_firmware:*:*:*:*:*:*:*:*

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-2017-16568	In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing attackers to bypass the MT_EXECUTE_NEVER protection mechanism. This issue occurs because of inconsistency in the number of execute-never bits (one bit versus two bits).

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00345.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-3

History

No history.

Subscriptions

Arm Arm Trusted Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-06-07T15:00:00.000Z

Updated: 2024-08-05T16:04:12.016Z

Reserved: 2017-04-06T00:00:00.000Z

Link: CVE-2017-7563

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-06-07T15:29:00.177

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-7563

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-732

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