UNIX symbolic link following in watchOS - CVE-2020-10003
Published: November 6, 2020
Vulnerability identifier: #VU48180
CSH Severity: Low
CVSS v4: 7.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-10003
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue within the Crash Reporter subsystem. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Successful exploitation of this vulnerability may result in privilege escalation.
Affected software
watchOS
tvOS
iPadOS
Apple iOS
tvOS
iPadOS
Apple iOS
How to mitigate CVE-2020-10003
Install updates from vendor's website.
watchOS - update to 7.1 18R590
tvOS - update to 14.2 18K57
iPadOS - update to 14.2 18B92
Apple iOS - update to 14.2 18B92
tvOS - update to 14.2 18K57
iPadOS - update to 14.2 18B92
Apple iOS - update to 14.2 18B92