Buffer overflow in Microsoft Windows and Windows Server - CVE-2021-34481

 

Buffer overflow in Microsoft Windows and Windows Server - CVE-2021-34481

Published: July 16, 2021


Vulnerability identifier: #VU54917
CSH Severity: Medium
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-34481
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

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 Print Spooler service improperly performs privileged file operations. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with SYSTEM privileges.

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


Affected software

Microsoft Windows
Windows Server
Solutions Enabler Virtual Appliance
Solutions Enabler
Unisphere for PowerMax Virtual Appliance
Unisphere for PowerMax

How to mitigate CVE-2021-34481

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Solutions Enabler Virtual Appliance - addressed in versions 9.1.0.17, 9.2.2.0
Solutions Enabler - addressed in versions 9.1.0.17, 9.2.2.0
Unisphere for PowerMax Virtual Appliance - addressed in versions 9.1.0.28, 9.2.2.2
Unisphere for PowerMax - addressed in versions 9.1.0.28, 9.2.2.2

External References

Related Security Bulletins