#VU26426 Buffer overflow in Apple Safari - CVE-2020-3895

Vulnerability identifier: #VU26426

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-3895

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple Safari: 0.8 - 0.9, 1.0 - 13.0.3, 2 - 2.0.4, 3 - 3.52, 4 - 4.31, 5.0 - 5.34, 6.0 - 6.2.8, 7.0 - 7.1.8, 8.0 - 8.0.8, 9 - 9.1.3

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External links
https://seclists.org/fulldisclosure/2020/Mar/35
https://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.