Description
A race condition was addressed with improved state handling. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. An application may be able to gain elevated privileges.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS | unspecified – < iOS 13.5 and iPadOS 13.5 | iOS 13.5 and iPadOS 13.5 |
| Apple | macOS | unspecified – < macOS Catalina 10.15.5 | macOS Catalina 10.15.5 |
| Apple | tvOS | unspecified – < tvOS 13.4.5 | tvOS 13.4.5 |
| Apple | watchOS | unspecified – < watchOS 6.2.5 | watchOS 6.2.5 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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macOS cfprefsd Arbitrary File Write Local Privilege Escalation
exploit/osx/local/cfprefsd_race_condition
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.