Buffer overflow in macOS - CVE-2019-8756

 

Buffer overflow in macOS - CVE-2019-8756

Published: May 19, 2021


Vulnerability identifier: #VU53345
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2019-8756
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in libxml2 implementation. A remote attacker can create a specially crafted XML document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-8756

Install updates from vendor's website.

Sources