CVE-2018-4206

HIGH

Apple tvOS < 11.4 - Remote Code Execution via Privileged Port Name Replacement

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-4206. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a mach port replacement vulnerability in ReportCrash on macOS 10.13.3 by sending a malformed mach_exception_raise_state_identity message, causing a UREF drop on privileged ports. It demonstrates the bug by destroying ReportCrash's send right to logd.

Description

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. macOS before 10.13.4 Security Update 2018-001 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Crash Reporter" component. It allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted app that replaces a privileged port name.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdosmultiple
https://www.exploit-db.com/exploits/44562

This PoC exploits a mach port replacement vulnerability in ReportCrash on macOS 10.13.3 by sending a malformed mach_exception_raise_state_identity message, causing a UREF drop on privileged ports. It demonstrates the bug by destroying ReportCrash's send right to logd.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: macOS ReportCrash 10.13.3
Auth required
Prerequisites: Root access to run the PoC · macOS 10.13.3 environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208850
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208851
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040744
Exploit, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=1529
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208743
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103957
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208742
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103958
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44562/

Scores

CVSS v3 7.8
EPSS 0.0765
EPSS Percentile 92.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (4)
apple/apple_tv < 11.4
apple/iphone_os < 11.3.1
apple/mac_os_x < 10.13.4
apple/watchos < 4.3.1
Published Jun 08, 2018
Tracked Since Feb 18, 2026