CVE-2024-23218

Published Jan 22, 2024
·
Updated

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.

Credit

Clemens Lang, m4yfly with TianGong Team(Legendsec at Qi'anxin Group), an anonymous researcher, Csaba Fitzl@@theevilbit(OffSec), Junsung Lee(Trend Micro Zero Day Initiative), Amir Bazine(CrowdStrike Counter Adversary Operations), Karsten König(CrowdStrike Counter Adversary Operations), Dohyun Lee@@l33d0hyun, Lyutoon, Mr.R, Murray Mike, Pedro Tôrres@@t0rr3sp3dr0, Xinru Chi(Pangu Lab), CVE-2024-23225, Koh M. Nakagawa(FFRI Security Inc), Meng Zhang (鲸落)(NorthSea), Meysam Firouzi@@R00tkitsmm(Trend Micro Zero Day Initiative), CVE-2024-23283, Bohdan Stasiuk@@Bohdan_Stasiuk, Mickey Jin@@patch1t, Jubaer Alnazi@@h33tjubaer, Csaba Fitzl@@theevilbit(Offensive Security), Joshua Jewett@@JoshJewett33, Kirin@@Pwnrin, Brian McNulty, luckyu@@uuulucky, CVE-2024-23235, Lyra Rebane (rebane2001), Lewis Hardy, Deutsche Telekom Security GmbH sponsored by Bundesamt für Sicherheit in der Informationstechnik, Georg Felber, Marco Squarcina, Johan Carlsson (joaxcar), Guilherme Rambo(Best Buddy Apps), fmyy@@binary_fmyy(TIANGONG Team of Legendsec at QI), lime(TIANGONG Team of Legendsec at QI), Noah Roskin-Frazee, Pr, Ian de Marcellus, Mark Bowers, Zhongquan Li@@Guluisacat, Wangtaiyu(Zhongfu info), James Lee@@Windowsrcer, Ye Zhang(Baidu Security)

Affected Software

14 affected componentsFixes available
Apple macOS Sonoma<14.3
14.3
Apple tvOS<17.3
17.3
Apple WatchOS<10.3
10.3
Apple macOS Monterey<12.7.4
12.7.4
Apple macOS Ventura<13.6.5
13.6.5
Apple iOS<16.7.6
16.7.6
Apple iPadOS<16.7.6
16.7.6
Apple iOS<17.3
17.3
Apple iPadOS<17.3
17.3
Apple iPadOS<17.3
Apple iPhone OS<17.3
Apple macOS>=14.0<14.3
Apple tvOS<17.3
Apple WatchOS<10.3

Event History

Jan 23, 2024
CVE Published
via MITRE·12:25 AM
Data Sourced
via MITRE·12:25 AM
DescriptionWeakness
Data Sourced
via NVD·01:15 AM
DescriptionSeverityWeaknessAffected Software
Mar 7, 2024
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2024-23218?

CVE-2024-23218 has a moderate severity level due to its potential to allow attackers to decrypt certain RSA ciphertexts.

2

How do I fix CVE-2024-23218?

To mitigate CVE-2024-23218, update your device to the latest versions of macOS Sonoma 14.3, watchOS 10.3, tvOS 17.3, iOS 17.3, or iPadOS 17.3.

3

Which products are affected by CVE-2024-23218?

CVE-2024-23218 affects Apple products including iOS 16.7.6 and 17.3, iPadOS 16.7.6 and 17.3, macOS Monterey 12.7.4, macOS Ventura 13.6.5, tvOS 17.3, and watchOS 10.3.

4

What type of vulnerability is CVE-2024-23218?

CVE-2024-23218 is characterized as a timing side-channel vulnerability impacting cryptographic function implementations.

5

Can legacy RSA PKCS#1 v1.5 ciphertexts be attacked due to CVE-2024-23218?

Yes, CVE-2024-23218 may allow an attacker to decrypt legacy RSA PKCS#1 v1.5 ciphertexts under specific conditions.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203