#VU4102 Cross-domain policy bypass in Microsoft Edge - CVE-2017-0002

Vulnerability identifier: #VU4102

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-0002

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to Microsoft Edge does not properly enforce cross-domain policies with about:blank. A remote attacker can create a specially crafted web page, trick the victim into visiting it and access information from one domain and inject it into another domain.

Successful exploitation of the vulnerability may allow an attacker to gain unauthorized access to potentially sensitive information and perform cross-site scripting or phishing attacks.

Mitigation
Install updates from Microsoft website.

Vulnerable software versions

Microsoft Edge: All versions

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External links
https://technet.microsoft.com/en-us/library/security/ms17-001.aspx

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.