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7.1
CVSSv3

CVE-2021-30788

Published: 08/09/2021 Updated: 15/09/2021
CVSS v2 Base Score: 5.8 | Impact Score: 4.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.1 | Impact Score: 5.2 | Exploitability Score: 1.8
VMScore: 516
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P
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Vulnerability Summary

This vulnerability allows remote malicious users to disclose sensitive information on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the ApplyAllPointDeltas function in libFontParser. 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 iphone os

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apple mac os x 10.14.6

apple mac os x 10.15.7

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Mailing Lists

Full Disclosure: APPLE-SA-2021-07-21-3 Security Update 2021-004 Catalina
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-07-21-3 Security Update 2021-004 Catalina <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: A ...
Full Disclosure: APPLE-SA-2021-07-21-1 iOS 14.7 and iPadOS 14.7
<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-07-21-1 iOS 147 and iPadOS 147 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Prod ...

References

NVD-CWE-noinfohttps://support.apple.com/en-us/HT212604https://support.apple.com/en-us/HT212605https://support.apple.com/en-us/HT212602https://support.apple.com/en-us/HT212603https://support.apple.com/en-us/HT212600https://support.apple.com/en-us/HT212601https://nvd.nist.govhttps://www.zerodayinitiative.com/advisories/ZDI-21-945/
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4040privilege escalationCVE-2024-4112CVE-2024-32872man-in-the-middleCVE-2024-32788bypassCVE-2024-3400CVE-2024-28976
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