Vulnerability identifier: #VU55196
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: No
Vendor: Apple Inc.
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition within the CoreText component. A remote attacker can create a specially crafted font file, trick the victim into opening it, trigger out-of-bounds read error and execute arbitrary code on the system.
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Vulnerable software versions
macOS: 11.0 20A2411, 11.0.1 20B29, 11.0.1 20B50, 11.1 20C69, 11.2 20D64, 11.2.1 20D74, 11.2.1 20D75, 11.2.2 20D80, 11.2.3 20D91, 11.3 20E232, 11.3.1 20E241, 11.4 20F71
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.