TippingPoint Zero Day Initiative

Cogent Datahub Stack Buffer Overflow Remote Code Execution Vulnerability

ZDI-13-178: July 26th, 2013

CVSS Score

Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Cogent Datahub. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the web server component's handling of HTTP headers. By sending an overlarge HTTP header, an attacker can overflow a fixed size stack buffer. This vulnerability allows for an attacker to execute arbitrary code in the context of the Datahub process.

Vendor Response

Cogent Real-Time Systems has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2013-06-25 - Vulnerability reported to vendor
    2013-07-26 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi aka rgod