Security restrictions bypass in Microsoft Edge - CVE-2017-8723
Published: September 12, 2017
Vulnerability identifier: #VU8260
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2017-8723
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge
Microsoft Edge
Detailed vulnerability description
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.
How to mitigate CVE-2017-8723
Install updates from vendor's website.