Security restrictions bypass in Microsoft Edge - CVE-2017-8723

 

Security restrictions bypass in Microsoft Edge - CVE-2017-8723

Published: September 12, 2017


Vulnerability identifier: #VU8260
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-8723
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error when validation of user-supplied input by Edge Content Security Policy (CSP). A remote attacker can trick the victim into into loading a page containing malicious content, bypass security restrictions and inject the malicious page into either a compromised website or an advertisement network.


Affected software

Microsoft Edge

How to mitigate CVE-2017-8723

Install updates from vendor's website.


External References

Related Security Bulletins