ARRIS VAP2500 Management Portal Authentication Bypass Vulnerability

November 25th, 2014
ZDI-14-388 ZDI-CAN-2136

CVE ID

CVE-2014-8424

CVSS Score

7.8 AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected Vendors

ARRIS

Affected Products

VAP2500

Vulnerability Details


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.

Additional Details


Vendor has released a hotfix to address the issue: FW08.41


Disclosure Timeline

  • 2014-04-29 - Vulnerability reported to vendor
  • 2014-11-25 - Coordinated public release of advisory

Credit

Ricky "HeadlessZeke" Lawshae

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