#VU10515 Security restrictions bypass in Microsoft Edge


Published: 2018-02-13

Vulnerability identifier: #VU10515

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0771

CWE-ID: CWE-200

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 security restrictions.

The vulnerability exists due to improper handling of requests of different origins. A remote attacker can send a specially crafted request and bypass Same-Origin Policy (SOP) restrictions.

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-2018-0771


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