SB2019041502 - XXE in Microsoft Internet Explorer
Published: April 15, 2019
Security Bulletin ID
SB2019041502
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper restriction of XML external entity reference (XXE) (CVE-ID: N/A)
CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
CVSSv4: 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
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 not aware of any official remediation provided by the vendor.