#VU13143 Improper input validation in Apple Safari - CVE-2018-4232

Vulnerability identifier: #VU13143

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4232

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple Safari
Client/Desktop applications / Web browsers

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote unauthenticated attacker can trick the victim into visiting a specially crafted website, bypass security restrictions and cause cookies to be overwritten.

Mitigation
Update to version 11.1.1.

Vulnerable software versions

Apple Safari: 11.0 - 11.1

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External links
https://support.apple.com/en-us/HT208854

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.