#VU41832 Input validation error in Advantech WebAccess - CVE-2014-0773

Vulnerability identifier: #VU41832

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-0773

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Advantech WebAccess
Server applications / SCADA systems

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

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. CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Mitigation
Install update from vendor's website.

Vulnerable software versions

Advantech WebAccess: 5.0 - 7.0

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-14-079-03

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.