SB2023112822 - Multiple vulnerabilities in NETGEAR NMS300

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-49694)

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

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

2) Stored cross-site scripting (CVE-ID: CVE-2023-50231)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• https://kb.netgear.com/000065885/Security-Advisory-for-Vertical-Privilege-Escalation-on-the-NMS300-PSV-2023-0127
• https://www.tenable.com/security/research/tra-2023-39
• https://kb.netgear.com/000065901/Security-Advisory-for-Stored-Cross-Site-Scripting-on-the-NMS300-PSV-2023-0106
• https://www.zerodayinitiative.com/advisories/ZDI-23-1847/