Vulnerability CVE-2022-26740

Vulnerability Name:

CVE-2022-26740 (CCN-226595)

Assigned:

2022-05-16

Published:

2022-05-16

Updated:

2022-06-07

Summary:

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 15.5, macOS Monterey 12.4, iOS 15.5 and iPadOS 15.5. An application may be able to execute arbitrary code with kernel privileges.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High Integrity (I): High Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/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): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)

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

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

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-787

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2022-26740

Source: XF
Type: UNKNOWN
apple-ios-cve202226740-priv-esc(226595)

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: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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