Buffer overflow in Microsoft Windows and Windows Server - CVE-2020-1313

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when the Windows Update Orchestrator Service improperly handles file operations. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2020-1313

Links to Public Exploits and PoC-codes

• Exploit #4658 - Windows Update Orchestrator unchecked ScheduleWork call (September 26, 2020)
• Exploit #3673 - CVE-2020-1313 (Proof of concept exploit of Windows Update Orchestrator Service Elevation of Privilege Vulnerability) (July 30, 2020)

External References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1313

Related Security Bulletins

• Privilege escalation in Microsoft Windows Update Orchestrator Service