SRC-2018-0025 : Microsoft Edge Undo Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerability Details:

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Edge. 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 implementation of undo functionality available to script. By manipulating a document’s elements, an attacker can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Affected Vendors:

Microsoft

Affected Products:

Edge

Vendor Response:

Microsoft has issued an update to correct these vulnerabilities. More details can be found at:
<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1021&gt;