Side-Channel Vulnerability in ARMv8 Architecture by Arm Holdings
CVE-2022-48251

7.5HIGH

Key Information:

Vendor

Arm
Status
Cortex-a53 Firmware
Vendor
CVE Published:
10 January 2023

What is CVE-2022-48251?

The implementation of AES instructions on ARMv8 architecture lacks intrinsic resistance to side-channel attacks, which can potentially expose sensitive information. Despite the vendor's assertion that while power side-channel attacks are feasible, they do not stem directly from the Arm architecture, the lack of inherent protection mechanisms remains a significant concern for developers and security professionals relying on this platform.

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References

https://eshard.com/posts/sca-attacks-on-armv8
https://eprint.iacr.org/2022/230

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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