SB2019052315 - Sendbox bypass in Microsoft Internet Explorer
Published: May 23, 2019
Security Bulletin ID
SB2019052315
CSH Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Sendbox bypass (CVE-ID: N/A)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: 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
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 not aware of any official remediation provided by the vendor.