#VU13807 Security restrictions bypass in Apple Safari - CVE-2018-4278

Vulnerability identifier: #VU13807

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:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-4278

CWE-ID: CWE-119

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 improper audio taint tracking. A remote attacker can trick the victim into visiting a specially crafted website, bypass security restrictions and exfiltrate audio data cross-origin.

Mitigation
Update to version 11.1.2.

Vulnerable software versions

Apple Safari: 11.0 - 11.1.1

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External links
https://support.apple.com/en-us/HT208934

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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.