SB2020090846 - Privilege escalation in Microsoft WinINet API
Published: September 8, 2020
Security Bulletin ID
SB2020090846
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-1012)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to escalate privilege so the system.
The vulnerability exists due to a boundary error in the Wininit.dll when handling objects in memory. A remote attacker can trick a victim to open a specially crafted file or visit a malicious webpage, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.