Vulnerability Monitor

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CVE-2020-27944

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.

Published

2021-04-02T18:15:16.577

Last Modified

2024-11-21T05:22:05.953

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipad_os	< 14.3	Yes
Operating System	apple	iphone_os	< 14.3	Yes
Operating System	apple	macos	< 11.1.0	Yes
Operating System	apple	tvos	< 14.3	Yes
Operating System	apple	watchos	< 7.2	Yes

References

https://support.apple.com/en-us/HT212003 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212005 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212009 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212011 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212003 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212005 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212009 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212011 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)