Microsoft Windows ADO Array-Type Parameter Use-After-Free Information Disclosure VulnerabilityZDI-17-284: April 11th, 2017
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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 ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2016-11-30 - Vulnerability reported to vendor
2017-04-11 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Simon Zuckerbraun - Trend Micro Zero Day Initiative