Advisory Details

April 10th, 2014

Advantech WebAccess DBVisitor.dll SQL Injection Remote Code Execution Vulnerability

ZDI-14-077
ZDI-CAN-1938

CVE ID CVE-2014-0763
CVSS SCORE 7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Advantech
AFFECTED PRODUCTS Advantech WebAccess
VULNERABILITY DETAILS


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

The specific flaw exists within the DBVisitor.dll component. Multiple SOAP requests implemented by the component are vulnerable to SQL Injection. These flaws allow an attacker to execute arbitrary SQL statements in the context of the web service and to exfiltrate data (including the account names and password hashes) from the vulnerable product.
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-14-079-03
DISCLOSURE TIMELINE
  • 2014-01-05 - Vulnerability reported to vendor
  • 2014-04-10 - Coordinated public release of advisory
CREDIT Andrea Micalizzi aka rgod
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