Sendbox bypass in Microsoft Internet Explorer - #VU18581
Published: May 23, 2019
Vulnerability identifier: #VU18581
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Internet Explorer
Microsoft Internet Explorer
Detailed vulnerability description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the way Internet Explorer handles loaded .DLL libraries. An attacker who can attack a malicious .dll file to the Internet Explorer process can bypass IE Protected Mode and execute arbitrary JS code with medium integrity permissions.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.