Home/CVE/A validation issue existed in the handling of symlinks and was addressed with improved validation of symlinks. This issu
CVE

CVE-2022-26704

A validation issue existed in the handling of symlinks and was addressed with improved validation of symlinks. This issu

A validation issue existed in the handling of symlinks and was addressed with improved validation of symlinks. This issue is fixed in macOS Monterey 12.4. An app may be able to gain elevated privileges.

HIGH · CVSS 7.8 EPSS 0.00368
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

4
apple mac os x>= 10.15 and < 10.15.7
apple mac os xall versions
apple macos>= 11.0 and < 11.6.8
apple macos>= 12.0.0 and < 12.4
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 May 2022 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2022/Jul/13Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/Jul/14Mailing ListThird Party Advisory
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0032/MNDT-2022-0032.mdTechnical DescriptionThird Party Advisory
https://support.apple.com/en-us/HT213257Release NotesVendor Advisory
https://support.apple.com/kb/HT213343Mailing List
https://support.apple.com/kb/HT213344Vendor Advisory
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