CVE-2021-30842
published 2021-10-19CVE-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…
PriorityP342high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
1.29%
67.0th percentile
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.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_14.8_and_ipados | — | — |
| apple | ios_15_and_ipados | — | — |
| apple | ipados | < 14.8 | 14.8 |
| apple | iphone_os | < 14.8 | 14.8 |
| apple | mac_os_x | — | — |
| apple | mac_os_x | 10.15 – 10.15.6 | — |
| apple | macos | >= 11.0 < 11.6 | 11.6 |
| apple | macos | >= unspecified < 11.6 | 11.6 |
| apple | macos | >= unspecified < 2021 | 2021 |
| apple | macos | >= unspecified < 14.8 | 14.8 |
| apple | macos | >= unspecified < 15 | 15 |
| apple | macos | >= unspecified < 8 | 8 |
| apple | macos_big_sur | — | — |
| apple | security_update_2021-005_catalina | — | — |
| apple | tvos | < 15.0 | 15.0 |
| apple | tvos | — | — |
| apple | watchos | < 8.0 | 8.0 |
| apple | watchos_8 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
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Apple
CVE-2021-30842: watchOS 8
vendor_apple·2021-09-20·CVSS 7.8
CVE-2021-30842 [HIGH] CVE-2021-30842: watchOS 8
Apple Security Update: About the security content of watchOS 8
Product: watchOS 8
CVE: CVE-2021-30842
Component: FontParser
Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
Apple
CVE-2021-30842: iOS 15 and iPadOS 15
vendor_apple·2021-09-20·CVSS 7.8
CVE-2021-30842 [HIGH] CVE-2021-30842: iOS 15 and iPadOS 15
Apple Security Update: About the security content of iOS 15 and iPadOS 15
Product: iOS 15 and iPadOS
Version: 15
CVE: CVE-2021-30842
Component: FontParser
Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
Apple
CVE-2021-30842: tvOS 15
vendor_apple·2021-09-20·CVSS 7.8
CVE-2021-30842 [HIGH] CVE-2021-30842: tvOS 15
Apple Security Update: About the security content of tvOS 15
Product: tvOS
Version: 15
CVE: CVE-2021-30842
Component: FontParser
Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
Apple
CVE-2021-30842: Security Update 2021-005 Catalina
vendor_apple·2021-09-13·CVSS 7.8
CVE-2021-30842 [HIGH] CVE-2021-30842: Security Update 2021-005 Catalina
Apple Security Update: About the security content of Security Update 2021-005 Catalina
Product: Security Update 2021-005 Catalina
CVE: CVE-2021-30842
Component: FontParser
Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
Apple
CVE-2021-30842: macOS Big Sur 11.6
vendor_apple·2021-09-13·CVSS 7.8
CVE-2021-30842 [HIGH] CVE-2021-30842: macOS Big Sur 11.6
Apple Security Update: About the security content of macOS Big Sur 11.6
Product: macOS Big Sur
Version: 11.6
CVE: CVE-2021-30842
Component: FontParser
Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
Apple
CVE-2021-30842: iOS 14.8 and iPadOS 14.8
vendor_apple·2021-09-13·CVSS 7.8
CVE-2021-30842 [HIGH] CVE-2021-30842: iOS 14.8 and iPadOS 14.8
Apple Security Update: About the security content of iOS 14.8 and iPadOS 14.8
Product: iOS 14.8 and iPadOS
Version: 14.8
CVE: CVE-2021-30842
Component: FontParser
Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution
Description: This issue was addressed with improved checks.
GHSA
GHSA-rrjp-f9cg-7qw4: This issue was addressed with improved checks
ghsa_unreviewed·2022-05-24
CVE-2021-30842 [HIGH] GHSA-rrjp-f9cg-7qw4: This issue was addressed with improved checks
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://seclists.org/fulldisclosure/2021/Oct/61http://seclists.org/fulldisclosure/2021/Oct/62http://seclists.org/fulldisclosure/2021/Oct/63https://support.apple.com/en-us/HT212804https://support.apple.com/en-us/HT212805https://support.apple.com/en-us/HT212807https://support.apple.com/en-us/HT212814https://support.apple.com/en-us/HT212815https://support.apple.com/en-us/HT212819http://seclists.org/fulldisclosure/2021/Oct/61http://seclists.org/fulldisclosure/2021/Oct/62http://seclists.org/fulldisclosure/2021/Oct/63https://support.apple.com/en-us/HT212804https://support.apple.com/en-us/HT212805https://support.apple.com/en-us/HT212807https://support.apple.com/en-us/HT212814https://support.apple.com/en-us/HT212815https://support.apple.com/en-us/HT212819
2021-10-19
Published