HTTP: Netgear ProSAFE NMS300 SettingConfigController Command Injection

This signature detects attempts to exploit a known vulnerability against Netgear ProSAFE NMS300. A successful attack can lead to arbitrary code execution.

Extended Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the SettingConfigController class. When parsing the fileName parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12121.

Affected Products

Netgear prosafe_network_management_system

References

CVE: CVE-2021-27273

URL: https://kb.netgear.com/000062686/Security-Advisory-for-Post-Authentication-Command-Injection-on-NMS300-PSV-2020-0559 http://www.zerodayinitiative.com/advisories/ZDI-21-356/

Short Name

HTTP:CTS:NETGEAR-PROSAFE-CMDINJ

Severity

Critical

Recommended

False

Recommended Action

Drop

HTTP: Netgear ProSAFE NMS300 SettingConfigController Command Injection

Extended Description

Affected Products

References

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