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3.7

The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs beca...

CVE-2023-26084 · published 3 years ago
Summary

The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.

What to do
  • Update arm aarch64cryptolib to version 2023-02-20 or later.
Affected software
VendorProductAffected versions
arm aarch64cryptolib < 2023-02-20
cpe:2.3:a:arm:aarch64cryptolib:*:*:*:*:*:*:*:*
Original advisory text
The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs beca...
The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
3.7 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-665Improper Initialization
Timeline
Published15 Mar 2023
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2023-26084 · NVD
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