Vulnerability-Lookup

VAR-201404-0548

Vulnerability from variot - Updated: 2025-09-21 23:04

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. Advantech WebAccess of bwocxrun.ocx Inside BWOCXRUN.BwocxrunCtrl.1 ActiveX Control CreateProcess Method from any pathname (1) setup.exe , (2) bwvbprt.exe ,and (3) bwvbprtl.exe A vulnerability exists that allows program execution. Supplementary information : CWE Vulnerability type by CWE-77: Improper Neutralization of Special Elements used in a Command ( Command injection ) Has been identified. http://cwe.mitre.org/data/definitions/77.htmlFrom an arbitrary path name via a crafted argument by a third party (1) setup.exe , (2) bwvbprt.exe ,and (3) bwvbprtl.exe The program may be executed. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the bwocxrun.ocx. The control exposes a scriptable method 'CreateProcess'. Advantech WebAccess HMI/SCADA is an HMI/SCADA software. Advantech WebAccess 7.1 and prior are vulnerable. The software supports dynamic graphic display and real-time data control, and provides functions of remote control and management of automation equipment

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    "data": "The BWOCXRUN.BwocxrunCtrl.1 control contains a method named \n\u201cCreateProcess.\u201d This method contains validation to ensure an attacker \ncannot run arbitrary command lines. After validation, the values \nsupplied in the HTML are passed to the Windows CreateProcessA API. \n\n\nThe validation can be bypassed allowing for running arbitrary command\n lines. The command line can specify running remote files (example: UNC \ncommand line). \n\n\nA function exists at offset 100019B0 of bwocxrun.ocx. Inside this \nfunction, there are 3 calls to strstr to check the contents of the user \nspecified command line. If \u201c\\setup.exe,\u201d \u201c\\bwvbprt.exe,\u201d or \n\u201c\\bwvbprtl.exe\u201d are contained in the command line (strstr returns \nnonzero value), the command line passes validation and is then passed to\n CreateProcessA. Advantech WebAccess of bwocxrun.ocx Inside BWOCXRUN.BwocxrunCtrl.1 ActiveX Control CreateProcess Method from any pathname (1) setup.exe , (2) bwvbprt.exe ,and (3) bwvbprtl.exe A vulnerability exists that allows program execution. Supplementary information : CWE Vulnerability type by CWE-77: Improper Neutralization of Special Elements used in a Command ( Command injection ) Has been identified. http://cwe.mitre.org/data/definitions/77.htmlFrom an arbitrary path name via a crafted argument by a third party (1) setup.exe , (2) bwvbprt.exe ,and (3) bwvbprtl.exe The program may be executed. This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Advantech WebAccess. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the bwocxrun.ocx. The control exposes a scriptable method \u0027CreateProcess\u0027. Advantech WebAccess HMI/SCADA is an HMI/SCADA software. \nAdvantech WebAccess 7.1 and prior are vulnerable. The software supports dynamic graphic display and real-time data control, and provides functions of remote control and management of automation equipment",
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CVE-2014-0773 (GCVE-0-2014-0773)

Vulnerability from cvelistv5 – Published: 2014-04-12 01:00 – Updated: 2025-09-19 19:18

Title

Advantech WebAccess Command Injection

Summary

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.

Severity ?

No CVSS data available.

CWE

CWE-77

Assigner

icscert

References

URL

Tags

	https://www.cisa.gov/news-events/ics-advisories/i…
	http://www.securityfocus.com/bid/66740	vdb-entryx_refsource_BID
	http://webaccess.advantech.com/

Impacted products

	Vendor	Product	Version
	Advantech	WebAccess	Affected: 0 , ≤ 7.1 (custom) Unaffected: 7.2

Credits

Andrea Micalizzi, aka rgod, Tom Gallagher, and an independent anonymous researcher working with HP’s Zero Day Initiative (ZDI)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-201404-0548

CVE-2014-0773 (GCVE-0-2014-0773)

Tags

Sightings

Nomenclature