The BWOCXRUN.BwocxrunCtrl.1 control contains a method named
“CreateProcess.” This method contains validation to ensure an attacker
cannot run arbitrary command lines. After validation, the values
supplied in the HTML are passed to the Windows CreateProcessA API.


The validation can be bypassed allowing for running arbitrary command
lines. The command line can specify running remote files (example: UNC
command line).


A function exists at offset 100019B0 of bwocxrun.ocx. Inside this
function, there are 3 calls to strstr to check the contents of the user
specified command line. If “\setup.exe,” “\bwvbprt.exe,” or
“\bwvbprtl.exe” are contained in the command line (strstr returns
nonzero value), the command line passes validation and is then passed to
CreateProcessA.
Advisories
Source ID Title
EUVD EUVD EUVD-2014-0804 The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “CreateProcess.” This method contains validation to ensure an attacker cannot run arbitrary command lines. After validation, the values supplied in the HTML are passed to the Windows CreateProcessA API. The validation can be bypassed allowing for running arbitrary command lines. The command line can specify running remote files (example: UNC command line). A function exists at offset 100019B0 of bwocxrun.ocx. Inside this function, there are 3 calls to strstr to check the contents of the user specified command line. If “\setup.exe,” “\bwvbprt.exe,” or “\bwvbprtl.exe” are contained in the command line (strstr returns nonzero value), the command line passes validation and is then passed to CreateProcessA.
Fixes

Solution

Advantech has created a new version (Version 7.2) that mitigates each of the vulnerabilities described above. Users may download this version from the following location at their web site:  http://webaccess.advantech.com/downloads.php?item=software For additional information about WebAccess, please visit the following Advantech web site:  http://webaccess.advantech.com/


Workaround

No workaround given by the vendor.

History

Fri, 19 Sep 2025 19:30:00 +0000

Type Values Removed Values Added
Description The CreateProcess method in the BWOCXRUN.BwocxrunCtrl.1 ActiveX control in bwocxrun.ocx in Advantech WebAccess before 7.2 allows remote attackers to execute (1) setup.exe, (2) bwvbprt.exe, and (3) bwvbprtl.exe programs from arbitrary pathnames via a crafted argument, as demonstrated by a UNC share pathname. The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “CreateProcess.” This method contains validation to ensure an attacker cannot run arbitrary command lines. After validation, the values supplied in the HTML are passed to the Windows CreateProcessA API. The validation can be bypassed allowing for running arbitrary command lines. The command line can specify running remote files (example: UNC command line). A function exists at offset 100019B0 of bwocxrun.ocx. Inside this function, there are 3 calls to strstr to check the contents of the user specified command line. If “\setup.exe,” “\bwvbprt.exe,” or “\bwvbprtl.exe” are contained in the command line (strstr returns nonzero value), the command line passes validation and is then passed to CreateProcessA.
Title Advantech WebAccess Command Injection
Weaknesses CWE-77
References

cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2025-09-19T19:18:06.695Z

Reserved: 2014-01-02T00:00:00

Link: CVE-2014-0773

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2014-04-12T04:37:31.707

Modified: 2025-09-19T20:15:38.027

Link: CVE-2014-0773

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.