Improper restriction of XML external entity reference (XXE) in Microsoft Internet Explorer - #VU18256
Published: April 15, 2019
Vulnerability identifier: #VU18256
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-611
Exploitation vector: Remote 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 gain access to sensitive information on the system.
The vulnerability exists due to improper restriction of XML external entity reference when processing .mht files. A remote attacker can trick the victim into opening a specially crafted .mht file and ready contents of arbitrary file on the system with privilege of the current user.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.