CVEvulnerability

CVE-2017-7563

8.1 HIGH Published 2017-06-07 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2017-06-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-732

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).

Affected configurations

• trustedfirmware trusted firmware-a (<= 1.3)

Related

Weakness · CWE (1)

  • CWE-732 Incorrect Permission Assignment for Critical Resource weakness

References