#VU81934 Input validation error in Guardian and Central Management Console - CVE-2023-23903

Vulnerability identifier: #VU81934

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-23903

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Guardian
Server applications / Other server solutions
Central Management Console
Web applications / CMS

Vendor: NOZOMI NETWORKS

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within SAML configuration. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Guardian: before 22.6.2

Central Management Console: before 22.6.2

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External links
https://security.nozominetworks.com/NN-2023:7-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.