#VU84010 Cryptographic issues in openNDS - CVE-2023-38324

Vulnerability identifier: #VU84010

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38324

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
openNDS
Server applications / Other server solutions

Vendor: openNDS

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to a logic issue when the default FAS key is used and OpenNDS is configured as FAS. A remote attacker can skip the splash page sequence and perform MitM attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

openNDS: 5.0.0 - 10.1.1

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External links
https://github.com/openNDS/openNDS/releases/tag/v10.1.2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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