Buffer overflow in watchOS - CVE-2020-3911
Published: March 27, 2020
Vulnerability identifier: #VU26444
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3911
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in libxml2. A remote attacker can use a specially crafted application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
watchOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2020-3911
Install updates from vendor's website.
watchOS - update to 6.2
Apple iOS - update to 13.4 17E255
iPadOS - update to 13.4
Apple iOS - update to 13.4 17E255
iPadOS - update to 13.4