TippingPoint Zero Day Initiative
 

Microsoft Windows ADO Array-Type Parameter Use-After-Free Information Disclosure Vulnerability

ZDI-17-284: April 11th, 2017

CVE ID

CVSS Score

Affected Vendors

Affected Products

    Windows

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 26700. For further product information on the TippingPoint IPS:

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 Microsoft ADO (ActiveX Data Objects) methods that accept an array as a parameter. 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.

Vendor Response

Microsoft has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2016-11-30 - Vulnerability reported to vendor
    2017-04-11 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Simon Zuckerbraun - Trend Micro Zero Day Initiative