#VU74069 Input validation error in Apple iOS and iPadOS - CVE-2023-27961

Vulnerability identifier: #VU74069

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-27961

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 gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input in the Calendar application when processing calendar invitation. A remote attacker can exfiltrate user information.

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.