A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An attacker in a privileged position may be able to perform a denial of service attack.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipados | Apple | * | 15.4 (excluding) |
| Iphone_os | Apple | * | 15.4 (excluding) |
| Mac_os_x | Apple | 10.15 (including) | 10.15.7 (excluding) |
| Mac_os_x | Apple | 10.15.7-security_update_2022-001 (including) | 10.15.7-security_update_2022-001 (including) |
| Mac_os_x | Apple | 10.15.7-security_update_2022-002 (including) | 10.15.7-security_update_2022-002 (including) |
| Macos | Apple | 11.6 (including) | 11.6.5 (excluding) |
| Macos | Apple | 12.0 (including) | 12.3 (excluding) |
| Macos | Apple | 10.15.7 (including) | 10.15.7 (including) |
| Tvos | Apple | * | 15.4 (excluding) |
| Watchos | Apple | * | 8.5 (excluding) |
Potential Mitigations
References
- https://support.apple.com/en-us/HT213182
- https://support.apple.com/en-us/HT213183
- https://support.apple.com/en-us/HT213184
- https://support.apple.com/en-us/HT213185
- https://support.apple.com/en-us/HT213186
- https://support.apple.com/en-us/HT213193
- https://support.apple.com/en-us/HT213182
- https://support.apple.com/en-us/HT213183
- https://support.apple.com/en-us/HT213184
- https://support.apple.com/en-us/HT213185
- https://support.apple.com/en-us/HT213186
- https://support.apple.com/en-us/HT213193