Matta Consulting - Matta Advisory https://www.trustmatta.com F5 BIG-IP remote root authentication bypass Vulnerability Advisory ID: MATTA-2012-002 CVE reference: CVE-2012-1493 Affected platforms: BIG-IP platforms without SCCP Version: 11.x 10.x 9.x Date: 2012-February-16 Security risk: High Vulnerability: F5 BIG-IP remote root authentication bypass Researcher: Florent Daigniere Vendor Status: Notified / Patch available Vulnerability Disclosure Policy: https://www.trustmatta.com/advisories/matta-disclosure-policy-01.txt Permanent URL: https://www.trustmatta.com/advisories/MATTA-2012-002.txt ===================================================================== Description: Vulnerable BIG-IP installations allow unauthenticated users to bypass authentication and login as the 'root' user on the device. The SSH private key corresponding to the following public key is public and present on all vulnerable appliances: ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEAvIhC5skTzxyHif/7iy3yhxuK6/OB13hjPqrskogkYFrcW8OK4VJT+5+Fx7wd4sQCnVn8rNqahw/x6sfcOMDI/Xvn4yKU4t8TnYf2MpUVr4ndz39L5Ds1n7Si1m2suUNxWbKv58I8+NMhlt2ITraSuTU0NGymWOc8+LNi+MHXdLk= SCCP Superuser Its fingerprint is: 71:3a:b0:18:e2:6c:41:18:4e:56:1e:fd:d2:49:97:66 ===================================================================== Impact If successful, a malicious third party can get full control of the device with little to no effort. The Attacker might reposition and launch an attack against other parts of the target infrastructure from there. ===================================================================== Versions affected: BIG-IP version 11.1.0 build 1943.0 tested. The vendor reports that the following versions are patched: 9.4.8-HF5 and later 10.2.4 and later 11.0.0-HF2 and later 11.1.0-HF3 and later http://support.f5.com/kb/en-us/solutions/public/13000/600/sol13600.html ===================================================================== Credits This vulnerability was discovered and researched by Florent Daigniere from Matta Consulting. ===================================================================== History 16-02-12 initial discovery 22-02-12 initial attempt to contact the vendor 24-02-12 reply from David Wang, case C1062228 is open 24-02-12 draft of the advisory sent to the vendor 01-03-12 CVE-2012-1493 is assigned 06-04-12 James Affeld starts coordinating the notification effort 23-05-12 F5 notifies us that patches are ready 29-05-12 F5 sends advance notification to some customers 06-06-12 Public disclosure ===================================================================== About Matta Matta is a privately held company with Headquarters in London, and a European office in Amsterdam. Established in 2001, Matta operates in Europe, Asia, the Middle East and North America using a respected team of senior consultants. Matta is an accredited provider of Tiger Scheme training; conducts regular research and is the developer behind the webcheck application scanner, and colossus network scanner. https://www.trustmatta.com https://www.trustmatta.com/training.html https://www.trustmatta.com/webapp_va.html https://www.trustmatta.com/network_va.html ===================================================================== Disclaimer and Copyright Copyright (c) 2012 Matta Consulting Limited. All rights reserved. This advisory may be distributed as long as its distribution is free-of-charge and proper credit is given. The information provided in this advisory is provided "as is" without warranty of any kind. Matta Consulting disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Matta Consulting or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Matta Consulting or its suppliers have been advised of the possibility of such damages.
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