Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30842

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

Published

2021-10-19T14:15:09.407

Last Modified

2024-11-21T06:04:49.327

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
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.8	Yes
Operating System	apple	iphone_os	< 14.8	Yes
Operating System	apple	mac_os_x	≤ 10.15.6	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	macos	< 11.6	Yes
Operating System	apple	tvos	< 15.0	Yes
Operating System	apple	watchos	< 8.0	Yes

References

http://seclists.org/fulldisclosure/2021/Oct/61 Mailing List, Release Notes, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Oct/62 Mailing List, Release Notes, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Oct/63 Mailing List, Release Notes, Third Party Advisory ([email protected])
https://support.apple.com/en-us/HT212804 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212805 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212807 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212814 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212815 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212819 Release Notes, Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Oct/61 Mailing List, Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Oct/62 Mailing List, Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Oct/63 Mailing List, Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212804 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212805 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212807 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212814 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212815 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212819 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)