#VU13279 Same-origin policy bypass in Microsoft Edge


Published: 2018-06-12

Vulnerability identifier: #VU13279

Vulnerability risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8235

CWE-ID: CWE-264

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 improper handling of requests of different origins by Microsoft Edge. A remote attacker can trick the victim to visit a specially crafted web page, bypass Same-Origin Policy (SOP) restrictions and force the browser to send data that would otherwise be restricted.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge:


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8235


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.


Latest bulletins with this vulnerability