CVE-2023-50231: prosafe network XSS — Fix

Description

NETGEAR ProSAFE Network Management System saveNodeLabel Cross-Site Scripting Privilege Escalation Vulnerability. This vulnerability allows remote attackers to escalate privileges on affected installations of NETGEAR ProSAFE Network Management System. Minimal user interaction is required to exploit this vulnerability. The specific flaw exists within the saveNodeLabel method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the user. Was ZDI-CAN-21838.

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CVSS v3.1 Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
netgear	prosafe_network_management_system	< 1.7.0.31

References

Advisories & Patches

https://kb.netgear.com/000065901/Security-Advisory-for-Stored-Cross-Site-Scripting-on-the-NMS300-PSV-2023-0106 https://kb.netgear.com/000065901/Security-Advisory-for-Stored-Cross-Site-Scripting-on-the-NMS300-PSV-2023-0106

Other References

https://www.zerodayinitiative.com/advisories/ZDI-23-1847/ https://www.zerodayinitiative.com/advisories/ZDI-23-1847/

Frequently Asked Questions

What is CVE-2023-50231? +

NETGEAR ProSAFE Network Management System saveNodeLabel Cross-Site Scripting Privilege Escalation Vulnerability. This vulnerability allows remote attackers to escalate privileges on affected installations of NETGEAR ProSAFE Network Management System. Minimal user interaction is required to exploit this vulnerability. The specific flaw exists within the saveNodeLabel method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the user. Was ZDI-CAN-21838. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2023-50231? +

CVE-2023-50231 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-50231? +

CVE-2023-50231 affects products from netgear, specifically: prosafe_network_management_system. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-50231? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-50231