Microsoft VBScript SafeArray Reference Leak and Use After Free

Strike ID:
E19-0pn51
CVSS:
7.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
False Positive:
f
Variants:
1
Year:
2018

Description

This strike exploits a vulnerability in the Microsoft Internet Explorer browser. Specifically, the vulnerability exists in the VBScript engine. It is possible to create VBScript in such a way that can allow for a use-after-free condition to occur when a pointer to a SafeArray object is created and stored and the object is then destroyed. This may lead to a denial of service condition in the browser, or potentially remote code execution.

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