Advisory Details

May 12th, 2015

Microsoft Windows VBScript Regular Expression Information Disclosure Vulnerability

CVE ID	CVE-2015-1684
CVSS SCORE	5.0, AV:N/AC:L/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['19580']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The vulnerability relates to how VBScript processes capturing groups in regular expressions. By performing a search using a regular expression that has an unusual form, an attacker can reveal data stored in the memory of the current process.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://technet.microsoft.com/library/security/MS15-043
DISCLOSURE TIMELINE	2015-03-03 - Vulnerability reported to vendor 2015-05-12 - Coordinated public release of advisory
CREDIT	SkyLined

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