Execution Memory Bypass Vulnerability in ARM Trusted Firmware
CVE-2017-7563

8.1HIGH

Key Information:

Vendor

Arm
Status
Arm Trusted Firmware
Vendor
CVE Published:
7 June 2017

What is CVE-2017-7563?

In ARM Trusted Firmware 1.3, a vulnerability exists where read-only (RO) memory can be executed at AArch64 Secure Exception Level 1. This flaw enables attackers to circumvent the MT_EXECUTE_NEVER protection mechanism due to inconsistency in the implementation of execute-never bits, compromising the integrity of memory access controls.

References

https://github.com/ARM-software/arm-trusted-firmware/wiki...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.