Vulnerability Monitor

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CVE-2020-27930

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.

Published

2020-12-08T21:15:13.827

Last Modified

2025-03-13T19:59:40.070

Status

Analyzed

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
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.2	Yes
Operating System	apple	iphone_os	< 12.4.9	Yes
Operating System	apple	iphone_os	< 14.2	Yes
Operating System	apple	mac_os_x	< 10.15.7	Yes
Operating System	apple	macos	< 11.0.1	Yes
Operating System	apple	watchos	< 5.3.9	Yes
Operating System	apple	watchos	< 6.2.9	Yes
Operating System	apple	watchos	< 7.1	Yes

References

http://packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html Third Party Advisory, VDB Entry ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory ([email protected])
https://support.apple.com/en-us/HT211928 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211929 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211931 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211940 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211944 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211945 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211946 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211947 Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211928 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211929 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211931 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211940 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211944 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211945 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211946 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211947 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)