Vulnerability identifier: #VU55228
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
Vendor: Apple Inc.
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within CoreText. A remote attacker can create a specially crafted font file, trick the victim into opening it, trigger out-of-bounds read error and read contents of process memory.
Install updates from vendor's website.
Vulnerable software versions
macOS: 10.15 19A583, 10.15 19A602, 10.15 19A603, 10.15.1 19B88, 10.15.2 19C57, 10.15.3 19D76, 10.15.4 19E266, 10.15.4 19E287, 10.15.5 19F96, 10.15.5 19F101, 10.15.6 19G73, 10.15.6 19G2021, 10.15.7 19H2, 10.15.7 19H4, 10.15.7 19H15, 10.15.7 19H114, 10.15.7 19H512, 10.15.7 19H524, 10.15.7 19H1030, 10.15.7 19H1217
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.