CVE-2021-1792

Published: 02/04/2021 Updated: 09/04/2021

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

This vulnerability allows remote malicious users to disclose sensitive information on affected installations of Apple macOS. Interaction with the CoreText library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of TTF fonts. Crafted data in a TTF font can trigger a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

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apple mac os x
apple mac os x 10.14.6
apple mac os x 10.15.7
apple ipados
apple iphone os
apple tvos
apple watchos
apple macos

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-02-01-1 macOS Big Sur 112, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave macOS Big Sur 112, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave addresses the following issues Information about the security content is also available at supp ...

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-02-01-2 Additional information for APPLE-SA-2021-01-26-1 iOS 144 and iPadOS 144 iOS 144 and iPadOS 144 addresses the following issues Information about the security content is also available at supportapplecom/HT212146 Analytics Available for: iPhone 6s and later, iPad ...

CWE-125 https://support.apple.com/en-us/HT212146 https://support.apple.com/en-us/HT212149 https://support.apple.com/en-us/HT212147 https://support.apple.com/en-us/HT212148 https://nvd.nist.gov http://seclists.org/fulldisclosure/2021/Feb/14 https://www.zerodayinitiative.com/advisories/ZDI-21-148/

CVE-2021-1792

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