Description
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS | unspecified – < iOS 12.4 | iOS 12.4 |
| Apple | macOS | unspecified – < macOS Mojave 10.14.6 | macOS Mojave 10.14.6 |
| Apple | tvOS | unspecified – < tvOS 12.4 | tvOS 12.4 |
| Apple | watchOS | unspecified – < watchOS 5.3 | watchOS 5.3 |
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.
Exploit-DB 1
- iMessage - Memory Corruption when Decoding NSKnownKeysDictionary1 EDB-47193 · dos · Jul 30, 2019 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.