Ubiquiti Networks Open Redirect

2017.07.25
Credit: T.Weber
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-601

SEC Consult Vulnerability Lab Security Advisory < 20170724-1 > ======================================================================= title: Open Redirect in Login Page product: Multiple Ubiquiti Networks products, e.g. TS-16-CARRIER, TS-5-POE, TS-8-PRO, AG-HP-2G16, AG-HP-2G20, AG-HP-5G23, AG-HP-5G27, AirGrid M, AirGrid M2, AirGrid M5, AR, AR-HP, BM2HP, BM2-Ti, BM5HP, BM5-Ti, LiteStation M5, locoM2, locoM5, locoM9, M2, M3, M365, M5, M900, NB-2G18, NB-5G22, NB-5G25, NBM3, NBM365, NBM9, NSM2, NSM3, NSM365, NSM5, PBM10, PBM3, PBM365, PBM5, PICOM2HP, Power AP N vulnerable version: AirOS 6.0.1 (XM), 1.3.4 (SW) fixed version: AirOS 6.0.3 (XM), 1.3.5 (SW) CVE number: impact: Low homepage: https://www.ubnt.com/ found: 2017-03-22 by: T. Weber (Office Vienna) SEC Consult Vulnerability Lab An integrated part of SEC Consult Bangkok - Berlin - Linz - Montreal - Moscow Singapore - Vienna (HQ) - Vilnius - Zurich https://www.sec-consult.com ======================================================================= Vendor description: ------------------- "Ubiquiti Networks develops high-performance networking technology for service providers and enterprises. Our technology platforms focus on delivering highly advanced and easily deployable solutions that appeal to a global customer base in underserved and underpenetrated markets." Source: http://ir.ubnt.com/ Business recommendation: ------------------------ SEC Consult recommends not to use the devices in production until a thorough security review has been performed by security professionals and all identified issues have been resolved. Vulnerability overview/description: ----------------------------------- 1) Open Redirect in Login Page - HackerOne #158287 A open redirect vulnerability can be triggered by luring an attacked user to authenticate to a Ubiquiti AirOS device by clicking on a crafted link. This vulnerability was found earlier by another bug bounty participant on HackerOne. It was numbered with #158287. Proof of concept: ----------------- http://<IP-of-Device>/login.cgi?uri=https://www.sec-consult.com After a successful login, the user will be redirected to https://www.sec-consult.com. Vulnerable / tested versions: ----------------------------- Ubiquiti Networks AirRouter (v6.0.1) Ubiquiti Networks TS-8-PRO (v1.3.4) Based on information embedded in the firmware of other Ubiquiti products gathered from our IoT Inspector tool we believe the following devices are affected as well: Ubiquiti Networks LBE-M5-23 (Version: XW v6.0.1) Ubiquiti Networks NBE-M2-13 (Version: XW v6.0.1) Ubiquiti Networks NBE-M5-16 (Version: XW v6.0.1) Ubiquiti Networks NBE-M5-19 (Version: XW v6.0.1) Ubiquiti Networks PBE-M2-400 (Version: XW v6.0.1) Ubiquiti Networks PBE-M5-300 (Version: XW v6.0.1) Ubiquiti Networks PBE-M5-300-ISO (Version: XW v6.0.1) Ubiquiti Networks PBE-M5-400 (Version: XW v6.0.1) Ubiquiti Networks PBE-M5-400-ISO (Version: XW v6.0.1) Ubiquiti Networks PBE-M5-620 (Version: XW v6.0.1) Ubiquiti Networks RM2-Ti (Version: XW v6.0.1) Ubiquiti Networks RM5-Ti (Version: XW v6.0.1) Vendor contact timeline: ------------------------ 2017-03-22: Contacting vendor via HackerOne. 2017-03-22: Vendor marked open redirect as duplicate to: #158287 The contact also states that this issue will be resolved in the next release. 2017-05-05: Found updates (6.0.3 and 1.3.5) on the website of the vendor and confirmed the fix - provide at least 90 days for customers to apply the patch. 2017-05-15: Contacted vendor via e-mail and set the publication date to 2017-07-24. 2017-07-24: Public release of security advisory Solution: --------- Upgrade to firmware version 6.0.3 (XM), 1.3.5 (SW) or later. Workaround: ----------- No workaround Advisory URL: ------------- https://www.sec-consult.com/en/Vulnerability-Lab/Advisories.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SEC Consult Vulnerability Lab SEC Consult Bangkok - Berlin - Linz - Montreal - Moscow Singapore - Vienna (HQ) - Vilnius - Zurich About SEC Consult Vulnerability Lab The SEC Consult Vulnerability Lab is an integrated part of SEC Consult. It ensures the continued knowledge gain of SEC Consult in the field of network and application security to stay ahead of the attacker. The SEC Consult Vulnerability Lab supports high-quality penetration testing and the evaluation of new offensive and defensive technologies for our customers. Hence our customers obtain the most current information about vulnerabilities and valid recommendation about the risk profile of new technologies. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Interested to work with the experts of SEC Consult? Send us your application https://www.sec-consult.com/en/Career.htm Interested in improving your cyber security with the experts of SEC Consult? Contact our local offices https://www.sec-consult.com/en/About/Contact.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mail: research at sec-consult dot com Web: https://www.sec-consult.com Blog: http://blog.sec-consult.com Twitter: https://twitter.com/sec_consult EOF T.Weber / @2017


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