Vulnerability Monitor

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CVE-2020-27911

An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Published

2020-12-08T21:15:13.357

Last Modified

2024-11-21T05:22:02.193

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-190

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	icloud	< 11.5	Yes
Application	apple	itunes	< 12.11	Yes
Operating System	apple	ipados	< 14.2	Yes
Operating System	apple	iphone_os	< 14.2	Yes
Operating System	apple	macos	< 11.0.1	Yes
Operating System	apple	tvos	< 14.2	Yes
Operating System	apple	watchos	< 7.1	Yes

References

http://seclists.org/fulldisclosure/2020/Dec/26 Mailing List, Third Party Advisory ([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/HT211930 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211931 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211933 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211935 Vendor Advisory ([email protected])
https://support.apple.com/kb/HT212011 Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/26 Mailing List, Third Party Advisory (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/HT211930 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/HT211933 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211935 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212011 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)