National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7563 Detail

Current 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).

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 8.1 HIGH
Vector:  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-3 Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-732 Incorrect Permission Assignment for Critical Resource NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:arm:arm_trusted_firmware:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.3


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7563
NVD Published Date:
06/07/2017
NVD Last Modified:
10/02/2019