CVE-2023-4452 Web Server Buffer Overflow Vulnerability
Attackers can trigger a device reboot via insufficient URI input validation in Moxa industrial routers, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4452?
CVE-2023-4452 is a medium-severity denial of service vulnerability in Moxa EDR G902 Series , published on 1 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in the EDR-810, EDR-G902, and EDR-G903 Series, making them vulnerable to the denial-of-service vulnerability. This vulnerability stems from insufficient input validation in the URI, potentially enabling malicious users to trigger the device reboot.
Weakness: CWE-120
Which versions are affected by CVE-2023-4452?
It affects 8 products.
Products include Moxa Edr-810-2gsfp-T Firmware, Moxa Edr-810-2gsfp Firmware, Moxa Edr-810-Vpn-2gsfp-T Firmware, Moxa Edr-810-Vpn-2gsfp Firmware, Moxa Edr-G902-T Firmware, Moxa Edr-G902 Firmware and 2 more.
How do I fix CVE-2023-4452?
No fix has been published for CVE-2023-4452 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-4452 being exploited?
There is no known exploitation of CVE-2023-4452 in the wild and no public exploit code.
Other vulnerabilities in Moxa EDR G902 Series
Sources
Also known as GHSA-q3h7-7995-v94c.