#VU74084 Security features bypass in Apple iOS and iPadOS - CVE-2023-27943

Vulnerability identifier: #VU74084

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27943

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple iOS
Operating systems & Components / Operating system
iPadOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improperly implemented security checks within the LaunchServices component, which can result in files downloaded from the internet not having the quarantine flag applied. A remote attacker can trick the victim to download and execute malicious file and compromise the affected system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 16.0 20A362 - 16.3.1 20D67

iPadOS: 16.0 20A362 - 16.3.1 20D67

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External links
https://support.apple.com/en-us/HT213676

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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.