Vulnerability Monitor

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CVE-2020-9949

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra, tvOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

Published

2020-12-08T20:15:16.777

Last Modified

2024-11-21T05:41:34.977

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.0	Yes
Operating System	apple	iphone_os	< 14.0	Yes
Operating System	apple	mac_os_x	< 10.15.6	Yes
Operating System	apple	mac_os_x	< 11.0.1	Yes
Operating System	apple	tvos	< 14.0	Yes
Operating System	apple	watchos	< 7.0	Yes

References

http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory ([email protected])
https://support.apple.com/en-us/HT211289 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211843 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211844 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211850 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211931 Release Notes, Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211289 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211843 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211844 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211850 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211931 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)