SB2020071455 - Privilege escalation in Microsoft Windows Credential Picker
Published: July 14, 2020
Security Bulletin ID
SB2020071455
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-1385)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to escalate privilege so the system.
The vulnerability exists due to a boundary error in the Windows Credential Picker when handling objects in memory. 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.