Vulnerability identifier: #VU26428

Vulnerability risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-3894

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to a race condition. A remote atacker can trick a victim to open a specially crafted file or visit a malicioous page, exploit the race and gain unauthorized access to sensitive information on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple Safari: 13.0.2 - 13.0.3, 12.0 - 12.1.2, 11.0 - 11.1.2, 10 - 10.1.2, 5.0 - 5.34, 6.0 - 6.2.8, 7.0 - 7.1.8, 3 - 3.52, 4 - 4.31, 9 - 9.1.3, 8.0 - 8.0.8, 1.0 - 1.3.2, 2 - 2.0.4 419.3, 0.8 - 0.9

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External links
http://seclists.org/fulldisclosure/2020/Mar/35
http://support.apple.com/en-eg/HT211104

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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. However, proof of concept for this vulnerability is available.