Use-after-free in Apple Safari - #VU20912
Published: September 6, 2019
Vulnerability identifier: #VU20912
CSH Severity: Medium
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the InlineFlowBox within the "deleteLine" method. A remote attacker can trick a victim to visit a malicious page or open a malicious file and execute arbitrary code in the context of the current process.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Apple Safari
Remediation
Install updates from vendor's website.
Apple Safari - update to 12.1.2