CVE-2024-23218 Weak cryptography in iOS and iPadOS
An attacker can decrypt legacy RSA ciphertexts without the private key due to a timing side-channel in cryptographic functions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-23218?
CVE-2024-23218 is a medium-severity vulnerability in Apple Ipados, published on 23 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-203
Which versions are affected by CVE-2024-23218?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2024-23218?
No fix has been published for CVE-2024-23218 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-23218 being exploited?
There is no known exploitation of CVE-2024-23218 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-f8vm-23j7-pf2r.