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             AUSCERT External Security Bulletin Redistribution

    McAfee SaaS myCIOScn.dll ShowReport Method Remote Command Execution
                              13 January 2012


        AusCERT Security Bulletin Summary

Product:           McAfee Security-as-a-Service
Publisher:         Zero Day Initiative
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Mitigation

Original Bulletin: 

- --------------------------BEGIN INCLUDED TEXT--------------------

ZDI-12-012 : (0Day) McAfee SaaS myCIOScn.dll ShowReport Method Remote
Command Execution


January 12, 2012

- - -- CVE ID:

- - -- CVSS:

9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- - -- Affected Vendors:


- - -- Affected Products:

McAfee Security-as-a-Service

- - -- TippingPoint(TM) IPS Customer Protection:

TippingPoint IPS customers have been protected against this vulnerability by
Digital Vaccine protection filter ID 11710. For further product information on
the TippingPoint IPS, visit:


- - -- Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of McAfee Security-as-a-Service. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The specific flaws exists within myCIOScn.dll.MyCioScan.Scan.ShowReport() will
accept commands that are passed to a function that simply executes them without
authentication. This can be leveraged by a malicious attacker to execute
arbitrary code within the context of the browser.

- - -- Vendor Response:

- - -- Mitigation:

The killbit can be set on this control to disable scripting within Internet
Explorer by modifying the data value of the Compatibilty Flags DWORD within the
following location in the registry:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX

If the Compatibility Flags value is set to 0x00000400 the control can no
longer be instantiated inside the browser. For more information, please see:

- - -- Disclosure Timeline:

2011-04-01 - Vulnerability reported to vendor

2012-01-12 - 0Day advisory released in accordance with the ZDI 180 day
deadline policy

- - -- Credit:

This vulnerability was discovered by:

* Andrea Micalizzi aka rgod

- - -- About the Zero Day Initiative (ZDI):

Established by TippingPoint, The Zero Day Initiative (ZDI) represents a
best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research through the
ZDI can find more information and sign-up at:


The ZDI is unique in how the acquired vulnerability information is used.
TippingPoint does not re-sell the vulnerability details or any exploit code.
Instead, upon notifying the affected product vendor, TippingPoint provides its
customers with zero day protection through its intrusion prevention technology.
Explicit details regarding the specifics of the vulnerability are not exposed
to any parties until an official vendor patch is publicly available.
Furthermore, with the altruistic aim of helping to secure a broader user base,
TippingPoint provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:


Follow the ZDI on Twitter:


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