High severity · published Jan 10, 2023
CVE-2022-48251
The AES instructions on the ARMv8 platform do not have an algorithm that is "intrinsically resistant" to side-channel attacks
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
The AES instructions on the ARMv8 platform do not have an algorithm that is "intrinsically resistant" to side-channel attacks. NOTE: the vendor reportedly offers the position "while power side channel attacks ... are possible, they are not directly caused by or related to the Arm architecture."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cortex-a53 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a55 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a57 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a72 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a73 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a75 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a76 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a76ae Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a77 Firmware · Arm
All versions, or not specified · source: NVD
CF
Cortex-a78 Firmware · Arm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-48251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-48251
Technical Description
https://eprint.iacr.org/2022/230
Exploit
https://eshard.com/posts/sca-attacks-on-armv8
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