Stack-based buffer overflow in NVR Storage Expansion - CVE-2021-34345

 

Stack-based buffer overflow in NVR Storage Expansion - CVE-2021-34345

Published: September 10, 2021


Vulnerability identifier: #VU56444
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34345
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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


Affected software

NVR Storage Expansion

How to mitigate CVE-2021-34345

Install updates from vendor's website.

NVR Storage Expansion - update to 1.0.6

External References

Related Security Bulletins