CVE-2021-33945 Memory corruption in n/a
Attackers can cause a denial of service on RICOH printers via a stack buffer overflow in the wpa_supplicant configuration file.
- 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-2021-33945?
CVE-2021-33945 is a critical memory corruption vulnerability in n/a, published on 15 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
RICOH Printer series SP products 320DN, SP 325DNw, SP 320SN, SP 320SFN, SP 325SNw, SP 325SFNw, SP 330SN, Aficio SP 3500SF, SP 221S, SP 220SNw, SP 221SNw, SP 221SF, SP 220SFNw, SP 221SFNw v1.06 were discovered to contain a stack buffer overflow in the file /etc/wpa_supplicant.conf. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.
Weakness: CWE-787
Which versions are affected by CVE-2021-33945?
It affects 66 products.
Products include Ricoh Aficio Sp 3500sf Firmware, Ricoh M 2700 Firmware, Ricoh M 2701 Firmware, Ricoh M 320 Firmware, Ricoh M 320f Firmware, Ricoh M 320fb Firmware and 60 more.
How do I fix CVE-2021-33945?
No fix has been published for CVE-2021-33945 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-33945 being exploited?
There is no known exploitation of CVE-2021-33945 in the wild and no public exploit code.
Sources
Also known as GHSA-gv77-w94g-p6r7.