CVE-2022-26766

Published on: Not Yet Published

Last Modified on: 06/08/2022 12:42:00 PM UTC

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Certain versions of Ipados from Apple contain the following vulnerability:

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.

  • CVE-2022-26766 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
About the security content of Security Update 2022-004 Catalina - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT213255
About the security content of tvOS 15.5 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT213254
About the security content of watchOS 8.6 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT213253
About the security content of iOS 15.5 and iPadOS 15.5 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT213258
About the security content of macOS Big Sur 11.6.6 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT213256
About the security content of macOS Monterey 12.4 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT213257

Related QID Numbers

  • 376607 Apple macOS Security Update 2022-004 Catalina (HT213255)
  • 376608 Apple MacOS Big Sur 11.6.6 Not Installed (HT213256)
  • 376612 Apple macOS Monterey 12.4 Not Installed (HT213257)
  • 610416 Apple iOS 15.5 and iPadOS 15.5 Security Update Missing (HT213258)

Exploit/POC from Github

Proof-of-concept for CVE-2022-26766 on macOS 12.3.1

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
AppleIpadosAllAllAllAll
Operating
System
AppleIphone OsAllAllAllAll
Operating
System
AppleMacosAllAllAllAll
Operating
System
AppleMac Os XAllAllAllAll
Operating
System
AppleMac Os X10.15.7-AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020-001AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-001AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-002AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-003AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-004AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-005AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-006AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-007AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-008AllAll
Operating
System
AppleMac Os X10.15.7security_update_2022-001AllAll
Operating
System
AppleMac Os X10.15.7security_update_2022-002AllAll
Operating
System
AppleMac Os X10.15.7security_update_2022-003AllAll
Operating
System
AppleTvosAllAllAllAll
Operating
System
AppleWatchosAllAllAllAll
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-008:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-002:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2022-003:*:*:*:*:*:*:
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @_r3ggi @LinusHenze Congratz Linus! I'm especially curious about CVE-2022-26766. ? 2022-05-16 22:51:39
Twitter Icon @management_sun IT Risk: Apple.iOS 15.5,iPadOS 15.5のリリース情報が公開されました -5/5 CVE-2022-26731 CVE-2022-26766 CVE-2022-26703 CVE-2022-26700… twitter.com/i/web/status/1… 2022-05-16 23:29:42
Twitter Icon @insan1d @zhuowei I’m really interested in hearing about what CVE-2022-26766 was support.apple.com/en-us/HT213258 ? Especially because of who found it 2022-05-17 02:20:00
Twitter Icon @zhuowei I can't figure out CVE-2022-26766, Linus Henze's codesigning bug. @littlelailo taught me what it is - CoreTrust doe… twitter.com/i/web/status/1… 2022-05-23 04:34:15
Twitter Icon @CVEreport CVE-2022-26766 : A certificate parsing issue was addressed with improved checks. This issue is fixed in tvOS 15.5,… twitter.com/i/web/status/1… 2022-05-26 20:14:21
Reddit Logo Icon /r/k12cybersecurity MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Apple Products Could Allow for Arbitrary Code Execution - PATCH: NOW 2022-05-17 13:11:14
Reddit Logo Icon /r/k12cybersecurity UPDATED MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Apple Products Could Allow for Arbitrary Code Execution - PATCH: NOW 2022-05-18 14:59:44
Reddit Logo Icon /r/netcve CVE-2022-26766 2022-05-26 21:39:02
Reddit Logo Icon /r/blueteamsec Get root on macOS 12.3.1: proof-of-concepts for Linus Henze’s CoreTrust and DriverKit bugs (CVE-2022-26766, CVE-2022-26763) | Worth Doing Badly 2022-07-02 18:38:24
Reddit Logo Icon /r/cybersecurity Get root on macOS 12.3.1: proof-of-concepts for Linus Henze’s CoreTrust and DriverKit bugs (CVE-2022-26766, CVE-2022-26763) 2022-07-03 15:37:37
Reddit Logo Icon /r/macOSsecurity Get root on macOS 12.3.1: proof-of-concepts for Linus Henze’s CoreTrust and DriverKit bugs (CVE-2022-26766, CVE-2022-26763) 2022-07-04 09:22:34
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