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CVE-2024-23218: A timing side-channel issue was addressed with improvements to constant-time computation in cryptographic functions. This issue is fixed in macOS...

Description

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

Classification

CVE ID: CVE-2024-23218

Affected Products

Vendor: Apple

Product: iOS and iPadOS

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.23% (probability of being exploited)

EPSS Percentile: 61.42% (scored less or equal to compared to others)

EPSS Date: 2025-03-14 (when was this score calculated)

References

https://support.apple.com/en-us/HT214059
https://support.apple.com/en-us/HT214055
https://support.apple.com/en-us/HT214060
https://support.apple.com/en-us/HT214061
http://seclists.org/fulldisclosure/2024/Jan/33
http://seclists.org/fulldisclosure/2024/Jan/36
http://seclists.org/fulldisclosure/2024/Jan/39
http://seclists.org/fulldisclosure/2024/Jan/40
https://support.apple.com/kb/HT214082
https://support.apple.com/kb/HT214083
https://support.apple.com/kb/HT214085
http://seclists.org/fulldisclosure/2024/Mar/22
http://seclists.org/fulldisclosure/2024/Mar/23

Timeline