Advisory Details

January 10th, 2017

Microsoft Windows ADO Recordset Update Use-After-Free Information Disclosure Vulnerability

CVE ID	CVE-2016-3375
CVSS SCORE	4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information 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 specific flaw exists within the handling of the Update method of the Recordset object implemented by Microsoft ActiveX Data Objects (ADO). By performing actions in script an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context 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/en-us/library/security/ms16-104.aspx
DISCLOSURE TIMELINE	2016-09-06 - Vulnerability reported to vendor 2017-01-10 - Coordinated public release of advisory
CREDIT	Simon Zuckerbraun - Trend Micro Zero Day Initiative

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