Advisory Details

December 13th, 2016

Advantech SUSIAccess Server downloadCSV file Parameter Directory Traversal Information Disclosure Vulnerability

ZDI-16-628
ZDI-CAN-3831

CVE ID CVE-2016-9349
CVSS SCORE 7.8, (AV:N/AC:L/Au:N/C:C/I:N/A:N)
AFFECTED VENDORS Advantech
AFFECTED PRODUCTS SUSIAccess Server
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 39120. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Advantech SUSIAccess Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within processing of downloadCSV.jsp. When parsing the file element, the process fails to properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose sensitive information under the context of SYSTEM.

ADDITIONAL DETAILS Advantech has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-16-336-04
DISCLOSURE TIMELINE
  • 2016-08-17 - Vulnerability reported to vendor
  • 2016-12-13 - Coordinated public release of advisory
CREDIT rgod
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