SB2020081246 - Privilege escalation in Microsoft Windows Backup Engine
Published: August 12, 2020
Security Bulletin ID
SB2020081246
CSH 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 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-1546)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when the Windows Backup Engine improperly handles memory. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.