SB2020061006 - Privilege escalation in Microsoft Windows Text Service Framework
Published: June 10, 2020
Security Bulletin ID
SB2020061006
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-2020-1314)
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Windows Text Service Framework (TSF) when the TSF server fails to properly handle messages sent from TSF clients. A local user can use a specially crafted application, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.