===================================================================== CERT-Renater Note d'Information No. 2022/VULN456 _____________________________________________________________________ DATE : 09/12/2022 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Systems running Aruba ClearPass Policy Manager versions prior to 6.11.0, 6.10.8, 6.9.13. ===================================================================== https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2022-020.txt _____________________________________________________________________ Aruba Product Security Advisory =============================== Advisory ID: ARUBA-PSA-2022-020 CVE: CVE-2002-20001, CVE-2022-43530, CVE-2022-43531, CVE-2022-43532, CVE-2022-43533, CVE-2022-43534, CVE-2022-43535, CVE-2022-43536, CVE-2022-43537, CVE-2022-43538, CVE-2022-43539, CVE-2022-43540 Publication Date: 2022-Dec-06 Status: Confirmed Severity: High Revision: 1 Title ===== ClearPass Policy Manager Multiple Vulnerabilities Overview ======== Aruba has released updates to ClearPass Policy Manager that address multiple security vulnerabilities. Affected Products ================= These vulnerabilities affect ClearPass Policy Manager running the following software versions unless specifically noted otherwise in the details section: - ClearPass Policy Manager 6.10.x: 6.10.7 and below - ClearPass Policy Manager 6.9.x: 6.9.12 and below Versions of ClearPass Policy Manager that are end of life are affected by these vulnerabilities unless otherwise indicated. Unaffected Products =================== Any other Aruba products not specifically listed above are not affected by these vulnerabilities. Details ======= Authenticated SQL Injection Vulnerabilities in ClearPass Policy Manager Web-based Management Interface (CVE-2022-43530, CVE-2022-43531) --------------------------------------------------------------------- Vulnerabilities in the web-based management interface of ClearPass Policy Manager could allow an authenticated remote attacker to conduct SQL injection attacks against the ClearPass Policy Manager instance. An attacker could exploit these vulnerabilities to obtain and modify sensitive information in the underlying database potentially leading to complete compromise of the ClearPass Policy Manager cluster. Internal references: ATLCP-175, ATLCP-186 Severity: High CVSSv3 Overall Score: 8.8 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Discovery: These vulnerabilities were discovered and reported by Luke Young (bugcrowd.com/bored-engineer) and Daniel Jensen (@dozernz) via Aruba's Bug Bounty Program. Authenticated Stored Cross-Site Scripting Vulnerability (XSS) in ClearPass Policy Manager Web-Based Management Interface (CVE-2022-43532) --------------------------------------------------------------------- A vulnerability in the web-based management interface of ClearPass Policy Manager could allow an authenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit allows an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface. Internal References: ATLCP-195 Severity: High CVSSv3.x Overall Score: 8.0 CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N Discovery: This vulnerability was discovered and reported by Daniel Jensen (@dozernz) via Aruba's Bug Bounty Program. Local Privilege Escalation in ClearPass OnGuard macOS Agent (CVE-2022-43533) --------------------------------------------------------------------- A vulnerability in the ClearPass OnGuard macOS agent could allow malicious users on a macOS instance to elevate their user privileges. A successful exploit could allow these users to execute arbitrary code with root level privileges on the macOS instance. Internal references: ATLCP-204 Severity: High CVSSv3 Overall Score: 7.8 CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Discovery: This vulnerability was discovered and reported by Luke Young (bugcrowd.com/bored_engineer) via Aruba's Bug Bounty Program. Local Privilege Escalation in ClearPass OnGuard Linux Agent (CVE-2022-43534) --------------------------------------------------------------------- A vulnerability in the ClearPass OnGuard Linux agent could allow malicious users on a Linux instance to elevate their user privileges. A successful exploit could allow these users to execute arbitrary code with root level privileges on the Linux instance. Internal references: ATLCP-215 Severity: High CVSSv3 Overall Score: 7.8 CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Discovery: This vulnerability was discovered and reported by Luke Young (bugcrowd.com/bored_engineer) via Aruba's Bug Bounty Program. Local Privilege Escalation in ClearPass OnGuard Windows Agent (CVE-2022-43535) --------------------------------------------------------------------- A vulnerability in the ClearPass OnGuard Windows agent could allow malicious users on a Windows instance to elevate their user privileges. A successful exploit could allow these users to execute arbitrary code with NT AUTHORITY\SYSTEM level privileges on the Windows instance. Internal references: ATLCP-214 Severity: High CVSSv3 Overall Score: 7.8 CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Discovery: This vulnerability was discovered and reported by Luke Young (bugcrowd.com/bored_engineer) via Aruba's Bug Bounty Program. Diffie-Hellman Key Agreement Protocol Vulnerability (CVE-2002-20001) --------------------------------------------------------------------- The Diffie-Hellman Key Agreement Protocol allows remote attackers (from the client side) to send arbitrary numbers that are actually not public keys and trigger expensive server-side DHE modular-exponentiation calculations, aka a D(HE)ater attack. Successful exploitation of this vulnerability can lead to a denial-of-service attack. Internal Reference: ATLCP-173 Severity: High CVSSv3.1 Overall Score: 7.5 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Discovery: This vulnerability was discovered and reported by Jean-francois Raymond and Anton Stiglic. Please see the following link for more details: https://www.researchgate.net/publication/2401745_Security_Issues_in_the_Diffie-Hellman_Key_Agreement_Protocol Authenticated Remote Command Injection in ClearPass Policy Manager Web-Based Management Interface (CVE-2022-43536, CVE-2022-43537, CVE-2022-43538) --------------------------------------------------------------------- Vulnerabilities in the ClearPass Policy Manager web-based management interface allow remote authenticated users to run arbitrary commands on the underlying host. Successful exploits could allow an attacker to execute arbitrary commands as root on the underlying operating system leading to complete system compromise. Internal References: ATLCP-194, ATLCP-213, ATLCP-220 Severity: High CVSSv3.x Overall Score: 7.2 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Discovery: These vulnerabilities were discovered and reported by Daniel Jensen (@dozernz) via Aruba's Bug Bounty Program. Sensitive Information Disclosure in ClearPass Policy Manager Cluster via Privileged Network Position (CVE-2022-43539) --------------------------------------------------------------------- A vulnerability exists in the ClearPass Policy Manager cluster communications that allow for an attacker in a privileged network position to potentially obtain sensitive information. A successful exploit could allow an attacker to retrieve information that allows for unauthorized actions as a privileged user on the ClearPass Policy Manager cluster. Internal Reference: ATLCP-221 Severity: Medium CVSSv3.x Overall Score: 5.7 CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L Discovery: This vulnerability was discovered and reported by the Vancouver Clinic. Sensitive Information Disclosure in ClearPass OnGuard macOS Agent (CVE-2022-43540) --------------------------------------------------------------------- A vulnerability exists in the ClearPass OnGuard macOS agent that allows for an attacker with local macOS instance access to potentially obtain sensitive information. A successful exploit could allow an attacker to retrieve information that is of a sensitive nature. Internal Reference: ATLCP-206 Severity: Medium CVSSv3.x Overall Score: 5.5 CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Discovery: This vulnerability was discovered and reported by Luke Young (bugcrowd.com/bored_engineer) via Aruba's Bug Bounty Program. Resolution ========== Upgrade ClearPass Policy Manager to one of the following versions with the fixes to resolve all issues noted in the details section. - ClearPass Policy Manager 6.11.x: 6.11.0 and above - ClearPass Policy Manager 6.10.x: 6.10.8 and above - ClearPass Policy Manager 6.9.x: 6.9.13 and above Aruba does not evaluate or patch ClearPass Policy Manager versions that have reached their End of Support (EoS) milestone. Supported versions as of the publication date of this advisory are: - ClearPass Policy Manager 6.11.x - ClearPass Policy Manager 6.10.x - ClearPass Policy Manager 6.9.x For more information about Aruba's End of Support policy visit: https://www.arubanetworks.com/support-services/end-of-life/ Workaround ========== To minimize the likelihood of an attacker exploiting these vulnerabilities, Aruba recommends that the CLI and web-based management interfaces for ClearPass Policy Manager be restricted to a dedicated layer 2 segment/VLAN and/or controlled by firewall policies at layer 3 and above ClearPass Policy Manager Security Hardening =========================================== For general information on hardening ClearPass Policy Manager instances against security threats please see the ClearPass Policy Manager Hardening Guide available at https://support.hpe.com/hpesc/public/docDisplay?docId=a00091066en_us for ClearPass Policy Manager 6.9.x and earlier versions. For ClearPass 6.10.x the ClearPass Policy Manager Hardening Guide is available at https://www.arubanetworks.com/techdocs/ClearPass/6.10/PolicyManager/Content/home.htm For ClearPass 6.11.x The ClearPass Policy Manager Hardening guide is available at https://www.arubanetworks.com/techdocs/ClearPass/6.11/PolicyManager/Content/home.htm Exploitation and Public Discussion ================================== Aruba is not aware of any public discussion or exploit code that target these specific vulnerabilities as of the release date of the advisory. Revision History ================ Revision 1 / 2022-Dec-06 / Initial release Aruba SIRT Security Procedures ============================== Complete information on reporting security vulnerabilities in Aruba Networks products and obtaining assistance with security incidents is available at: https://www.arubanetworks.com/support-services/security-bulletins/ For reporting *NEW* Aruba Networks security issues, email can be sent to aruba-sirt(at)hpe.com. For sensitive information we encourage the use of PGP encryption. Our public keys can be found at: https://www.arubanetworks.com/support-services/security-bulletins/ (c) Copyright 2022 by Aruba, a Hewlett Packard Enterprise company. This advisory may be redistributed freely after the release date given at the top of the text, provided that the redistributed copies are complete and unmodified, including all data and version information. ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23/25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email:cert@support.renater.fr + =========================================================