#VU99424 Input validation error in Apple iOS and iPadOS - CVE-2024-44155

Vulnerability identifier: #VU99424

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2024-44155

CWE-ID: CWE-20

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 improper validation of custom URL scheme in Safari. A remote attacker can trick the victim into visiting a specially crafted website and violate iframe sandboxing policy.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apple iOS: 17.0.2 21A350 - 17.7 21H16

iPadOS: 17.0 - 17.7 21H16

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External links
https://support.apple.com/en-us/121567

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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.