medium
5.9
CWE
203
EPSS
0.095%
Advisory Published
CVE Published
Updated

CVE-2024-23218

First published: Mon 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 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.

Credit: Clemens Lang m4yfly with TianGong Team Legendsec at Qi'anxin Groupan anonymous researcher Csaba Fitzl @theevilbit OffSecJunsung Lee Trend Micro Zero Day InitiativeAmir Bazine CrowdStrike Counter Adversary OperationsKarsten König CrowdStrike Counter Adversary OperationsDohyun Lee @l33d0hyun Lyutoon Mr.R Murray Mike Pedro Tôrres @t0rr3sp3dr0 Xinru Chi Pangu LabCVE-2024-23225 Koh M. Nakagawa FFRI Security IncMeng Zhang (鲸落) NorthSeaMeysam Firouzi @R00tkitsmm Trend Micro Zero Day InitiativeCVE-2024-23283 Bohdan Stasiuk @Bohdan_Stasiuk Mickey Jin @patch1t Jubaer Alnazi @h33tjubaer Csaba Fitzl @theevilbit Offensive SecurityJoshua 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 Appsfmyy @binary_fmyy TIANGONG Team of Legendsec at QIlime TIANGONG Team of Legendsec at QINoah Roskin-Frazee Pr Ian de Marcellus Mark Bowers Zhongquan Li @Guluisacat Wangtaiyu Zhongfu infoJames Lee @Windowsrcer Ye Zhang Baidu Security product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<14.3
14.3
tvOS<17.3
17.3
Apple iOS, iPadOS, and watchOS<10.3
10.3
Apple iOS, iPadOS, and watchOS<16.7.6
16.7.6
Apple iOS, iPadOS, and watchOS<16.7.6
16.7.6
Apple iOS, iPadOS, and watchOS<17.3
17.3
Apple iOS, iPadOS, and watchOS<17.3
17.3
Apple iOS, iPadOS, and watchOS<17.3
iStyle @cosme iPhone OS<17.3
Apple iOS and macOS>=14.0<14.3
tvOS<17.3
Apple iOS, iPadOS, and watchOS<10.3
macOS<12.7.4
12.7.4
macOS Ventura<13.6.5
13.6.5

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • 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.

  • 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.

  • 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.

  • What type of vulnerability is CVE-2024-23218?

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

  • 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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203