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.
Exploits (2)
exploitdb
WORKING POC
VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/44849
References (7)
Core 7
Core References
Exploit, Third Party Advisory, VDB Entry exploit
x_refsource_exploit-db
https://www.exploit-db.com/exploits/44849/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208850
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=1558
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/1041027
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208848
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208849
Scores
CVSS v3
7.8
EPSS
0.2154
EPSS Percentile
95.7%
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
< 11.4
apple/mac_os_x
< 10.13.5
apple/watchos
< 4.3.1
Published
Jun 08, 2018
Tracked Since
Feb 18, 2026