Advisory Details

May 19th, 2014

Advantech WebAccess bwocxrun.ocx OpenUrlToBuffer Information Disclosure Vulnerability

CVE ID	CVE-2014-0771
CVSS SCORE	5.0, AV:N/AC:L/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Advantech
AFFECTED PRODUCTS	Advantech WebAccess
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['13453']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to access arbitrary files 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 cntrol. The control exposes a method 'OpenUrlToBuffer' which allows an attacker to access the contents of an arbitrary URL (including a file URL). An attacker can use this to access any file on the system or the content of any remote URL which is accessible in the current context of the browser.
ADDITIONAL DETAILS	Advantech has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-14-079-03
DISCLOSURE TIMELINE	2013-12-20 - Vulnerability reported to vendor 2014-05-19 - Coordinated public release of advisory
CREDIT	Anonymous

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