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8.1
CVSSv3

CVE-2017-7563

Published: 07/06/2017 Updated: 03/10/2019
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing malicious users 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).

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References

CWE-732https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-3https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
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