Use-after-free in Apple Safari - #VU20912

 

Use-after-free in Apple Safari - #VU20912

Published: September 6, 2019


Vulnerability identifier: #VU20912
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
Apple Safari

Detailed vulnerability description

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.


Remediation

Install updates from vendor's website.

Sources