SB2019071021 - Privilege escalation in Microsoft Windows DNS
Published: July 10, 2019
Security Bulletin ID
SB2019071021
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2019-1090)
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the dnsrslvr.dll when handling objects in memory in Microsoft Windows DNS. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.