Advisory Details

November 20th, 2017

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

ZDI-17-918
ZDI-CAN-4918

CVE ID CVE-2017-12285
CVSS SCORE 6.4, (AV:N/AC:L/Au:N/C:N/I:P/A:P)
AFFECTED VENDORS Cisco
AFFECTED PRODUCTS Prime Network Analysis Module
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 29148. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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.

ADDITIONAL DETAILS Cisco has issued an update to correct this vulnerability. More details can be found at:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-nam
DISCLOSURE TIMELINE
  • 2017-07-06 - Vulnerability reported to vendor
  • 2017-11-20 - Coordinated public release of advisory
CREDIT rgod
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