Security restrictions bypass in Microsoft Edge - CVE-2017-11874

 

Security restrictions bypass in Microsoft Edge - CVE-2017-11874

Published: November 14, 2017


Vulnerability identifier: #VU9284
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-11874
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge

Detailed vulnerability description

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

The vulnerability exists due to how memory is accessed in code compiled by the Edge Just-In-Time (JIT) compiler. A remote attacker can browse to a malicious website, bypass Control Flow Guard (CFG) and perform further attacks.


How to mitigate CVE-2017-11874

Install updates from vendor's website.

Sources