Description
An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Kernel" component. A buffer overflow in mptcp_usr_connectx allows attackers to execute arbitrary code in a privileged context via a crafted app.
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
- XNU Kernel - Heap Overflow Due to Bad Bounds Checking in MPTCP EDB-44849 · dos · Jun 6, 2018 · verified
GitHub 1 repository
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0neday/multi_path ★ 4 · Jun 6, 2018
CVE-2018-4241: XNU kernel heap overflow due to bad bounds checking in MPTCP for iOS 11 - 11.3.1released by Ian Beer
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.