#VU80024 Resource exhaustion in SNAP PAC S1 - CVE-2023-40709

Vulnerability identifier: #VU80024

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-40709

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SNAP PAC S1
Hardware solutions / Firmware

Vendor: Opto22

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can send a specially crafted ICMP request, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SNAP PAC S1: R10.3b

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02

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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.