CVE-2022-22638 : A null pointer dereference was addressed with improved validation. This issue is

A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An attacker in a privileged position may be able to perform a denial of service attack.

Published 2022-03-18 18:15:14

Updated 2022-11-02 13:18:36

Source Apple Inc.

View at NVD, CVE.org

Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2022-22638

Apple » Mac Os X
Versions from including (>=) 10.15 and before (<) 10.15.7
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2022-001
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*
Matching versions
Apple » Mac Os X » Version: 10.15.7 Update Security Update 2022-002
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*
Matching versions
Apple » Iphone Os
Versions before (<) 15.4
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Matching versions
Apple » Watchos
Versions before (<) 8.5
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Matching versions
Apple » Tvos
Versions before (<) 15.4
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Matching versions
Apple » Macos
Versions from including (>=) 12.0 and before (<) 12.3
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Matching versions
Apple » Macos
Versions from including (>=) 11.6 and before (<) 11.6.5
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Matching versions
Apple » Macos » Version: 10.15.7
cpe:2.3:o:apple:macos:10.15.7:-:*:*:*:*:*:*
Matching versions
Apple » Ipados
Versions before (<) 15.4
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-22638

EPSS FAQ

0.71%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 81 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-22638

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:P	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-22638

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-22638

https://support.apple.com/en-us/HT213193

About the security content of watchOS 8.5 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT213184

About the security content of macOS Big Sur 11.6.5 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT213185

About the security content of Security Update 2022-003 Catalina - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT213186

About the security content of tvOS 15.4 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT213183

About the security content of macOS Monterey 12.3 - Apple Support
Vendor Advisory

CVEs referencing this url
https://support.apple.com/en-us/HT213182

About the security content of iOS 15.4 and iPadOS 15.4 - Apple Support
Vendor Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2022-22638

Products affected by CVE-2022-22638

Exploit prediction scoring system (EPSS) score for CVE-2022-22638

CVSS scores for CVE-2022-22638

CWE ids for CVE-2022-22638

References for CVE-2022-22638