ARRIS VAP2500 Management Portal Authentication Bypass VulnerabilityZDI-14-388: November 25th, 2014
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 13562. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of ARRIS VAP2500. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of user authentication. The issue lies in the failure to compare the password when authenticating. An attacker can leverage this vulnerability to bypass authentication checks which can then be chained to execute code with root privileges.
Vendor ResponseARRIS states:
Vendor has released a hotfix to address the issue: FW08.41
2014-04-29 - Vulnerability reported to vendor
2014-11-25 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Ricky "HeadlessZeke" Lawshae