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AUSCERT External Security Bulletin Redistribution
ESB-2022.2330
CVE-2022-0026 Cortex XDR Agent: Unintended Program Execution Leads to Local
Privilege Escalation (PE) Vulnerability
12 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Cortex XDR Agent
Publisher: Palo Alto Networks
Operating System: Windows
Resolution: Patch/Upgrade
CVE Names: CVE-2022-0026
Original Bulletin:
https://securityadvisories.paloaltonetworks.com/CVE-2022-0026
Comment: CVSS (Max): 6.7 CVE-2022-0026 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Palo Alto Networks
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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Palo Alto Networks Security Advisories / CVE-2022-0026
CVE-2022-0026 Cortex XDR Agent: Unintended Program Execution Leads to Local
Privilege Escalation (PE) Vulnerability
047910
Severity 6.7 . MEDIUM
Attack Vector LOCAL
Scope UNCHANGED
Attack Complexity LOW
Confidentiality Impact HIGH
Privileges Required HIGH
Integrity Impact HIGH
User Interaction NONE
Availability Impact HIGH
NVD JSON
Published 2022-05-11
Updated 2022-05-11
Reference CPATR-13696 and CPATR-13873
Discovered externally
Description
A local privilege escalation (PE) vulnerability exists in Palo Alto Networks
Cortex XDR agent software on Windows that enables an authenticated local user
with file creation privilege in the Windows root directory (such as C:\) to
execute a program with elevated privileges.
This issue impacts all versions of Cortex XDR agent without content update 330
or a later content update version.
Product Status
Versions Affected Unaffected
Cortex XDR Agent 7.5 7.5.* without CU-330 on 7.5.* with CU-330 on
CE Windows Windows
Cortex XDR Agent 7.7 7.7.* without CU-330 on 7.7.* with CU-330 on
Windows Windows
Cortex XDR Agent 7.6 7.6.* without CU-330 on 7.6.* with CU-330 on
Windows Windows
Cortex XDR Agent 7.5 7.5.* without CU-330 on 7.5.* with CU-330 on
Windows Windows
Cortex XDR Agent 7.4 7.4.* without CU-330 on 7.4.* with CU-330 on
Windows Windows
Cortex XDR Agent 6.1 6.1.* without CU-330 on 6.1.* with CU-330 on
Windows Windows
Severity: MEDIUM
CVSSv3.1 Base Score: 6.7 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
Exploitation Status
Palo Alto Networks is not aware of any malicious exploitation of this issue.
Weakness Type
CWE-282 Improper Ownership Management
Solution
This issue is fixed in all Cortex XDR agent versions with content update 330
and later content update versions.
Workarounds and Mitigations
There are no known workarounds for this issue.
Acknowledgments
Palo Alto Networks thanks Xavier DANEST of Decathlon and Yasser Alhazmi for
discovering and reporting this issue.
Timeline
2022-05-11 Initial publication
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