Vulnerability Name:

CVE-2022-26766 (CCN-226608)

Assigned:2022-05-16
Published:2022-05-16
Updated:2022-06-08
Summary:A certificate parsing issue was addressed with improved checks. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, Security Update 2022-004 Catalina, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4. A malicious app may be able to bypass signature validation.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
5.0 Medium (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:P/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
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)
5.0 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:P/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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
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-295
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2022-26766

Source: XF
Type: UNKNOWN
apple-ios-cve202226766-sec-bypass(226608)

Source: CCN
Type: Packet Storm Security [10-10-2022]
macOS 12.3.1 Local Root

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/HT213255

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT213256

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:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15.7)
  • OR cpe:/o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 15.5)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 15.5)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.6.6)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version >= 12.0 and < 12.4)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 15.5)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 8.6)
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:apple:iphone_os:15.4:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:15.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple mac os x *
    apple mac os x 10.15.7 -
    apple mac os x 10.15.7 security_update_2020-001
    apple mac os x 10.15.7 security_update_2021-001
    apple mac os x 10.15.7 security_update_2021-002
    apple mac os x 10.15.7 security_update_2021-003
    apple mac os x 10.15.7 security_update_2021-004
    apple mac os x 10.15.7 security_update_2021-005
    apple mac os x 10.15.7 security_update_2021-006
    apple mac os x 10.15.7 security_update_2021-008
    apple ipados *
    apple iphone os *
    apple macos *
    apple macos *
    apple tvos *
    apple watchos *
    apple mac os x 10.15.7 security_update_2022-003
    apple mac os x 10.15.7 security_update_2022-002
    apple mac os x 10.15.7 security_update_2022-001
    apple mac os x 10.15.7 security_update_2021-007
    apple iphone os 15.4
    apple ipados 15.4