CVE-2023-41711 Memory corruption in SonicOS

Medium 6.5 Published 17 Oct 2023 Updated 13 Sep 2024

An authenticated attacker can trigger a stack-based buffer overflow in SonicOS, causing the firewall to crash and resulting in denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-41711?

CVE-2023-41711 is a medium-severity memory corruption vulnerability in Sonicwall Sonicos, published on 17 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

SonicOS post-authentication Stack-Based Buffer Overflow Vulnerability in the sonicwall.exp, prefs.exp URL endpoints lead to a firewall crash.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-41711?

It affects 1 product.

Products include Sonicwall Sonicos.

How do I fix CVE-2023-41711?

No fix has been published for CVE-2023-41711 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-2023-41711 being exploited?

There is no known exploitation of CVE-2023-41711 in the wild and no public exploit code.

All Sonicwall Sonicos vulnerabilities

Sources

Also known as GHSA-27j3-ww98-6j8q.