CVE-2024-23218

MEDIUM

Apple iOS iPadOS macOS tvOS watchOS - Timing Side-Channel in RSA PKCS#1 v1.5 Decryption

Title source: llm
STIX 2.1

Description

A timing side-channel issue was addressed with improvements to constant-time computation in cryptographic functions. This issue is fixed in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.4, macOS Sonoma 14.3, macOS Ventura 13.6.5, tvOS 17.3, watchOS 10.3. An attacker may be able to decrypt legacy RSA PKCS#1 v1.5 ciphertexts without having the private key.

References (23)

Core 23
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214055
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214059
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214060
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214061

Scores

CVSS v3 5.9
EPSS 0.0100
EPSS Percentile 58.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-203
Status published
Products (12)
Apple/iOS and iPadOS < 16.7.6
Apple/iOS and iPadOS < 17.3
apple/ipados < 17.3
apple/iphone_os < 17.3
Apple/macOS < 12.7.4
Apple/macOS < 13.6.5
Apple/macOS < 14.3
apple/macos 14.0 - 14.3
apple/tvos < 17.3
Apple/tvOS < 17.3
... and 2 more
Published Jan 23, 2024
Tracked Since Feb 18, 2026