Vulnerability CVE-2022-26764

Vulnerability Name:

CVE-2022-26764 (CCN-226569)

Assigned:

2022-05-16

Published:

2022-05-16

Updated:

2022-06-08

Summary:

A memory corruption issue was addressed with improved validation. This issue is fixed in watchOS 8.6, tvOS 15.5, macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

CVSS v3 Severity:

4.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

2.6 Low (CVSS v2 Vector: AV:N/AC:H/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Type:

CWE-787

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2022-26764

Source: XF
Type: UNKNOWN
apple-ios-cve202226764-sec-bypass(226569)

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT213253

Source: CCN
Type: Apple security document HT213254
About the security content of tvOS 15.5

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT213254

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT213257

Source: CCN
Type: Apple security document HT213258
About the security content of iOS 15.5 and iPadOS 15.5

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT213258

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 15.5)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 8.6)

OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 15.5)

OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 15.5)

OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version >= 12.0 and < 12.4)

Denotes that component is vulnerable

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