Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A malicious application may be able to determine kernel memory layout.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS | unspecified – < iOS 12.2 | iOS 12.2 |
| Apple | macOS | unspecified – < macOS Mojave 10.14.4 | macOS Mojave 10.14.4 |
| Apple | tvOS | unspecified – < tvOS 12.2 | tvOS 12.2 |
| Apple | watchOS | unspecified – < watchOS 5.2 | watchOS 5.2 |
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.
GitHub 1 repository
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maldiohead/CVE-2019-8540 ★ 40 · May 17, 2019
Kernel Stack info leak at exportObjectToClient function
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.