TippingPoint Zero Day Initiative
 

Cisco Prime Network Analysis Module graph sfile Parameter Directory Traversal Arbitrary File Deletion Vulnerability

ZDI-17-918: November 20th, 2017

CVE ID

CVSS Score

Affected Vendors

Affected Products

    Prime Network Analysis Module

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 29148. For further product information on the TippingPoint IPS:

Vulnerability Details


This vulnerability allows remote attackers to delete arbitrary files on vulnerable installations of Cisco Prime Network Analysis Module. Authentication is not required to exploit this vulnerability.

The specific flaw exists within graph.php. When parsing the sfile parameter, the script does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete any files accessible to the web service.

Vendor Response

Cisco has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-07-06 - Vulnerability reported to vendor
    2017-11-20 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    rgod