CVE-2023-38321 Null dereference in n/a

High 7.5 Published Updated

Remote attackers can crash the OpenNDS daemon and disrupt Captive Portal services by sending a malformed GET request to Sierra Wireless ALEOS devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-38321?

CVE-2023-38321 is a high-severity vulnerability in n/a, published on 25 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial of service (NULL pointer dereference, daemon crash, and Captive Portal outage) via a GET request to /opennds_auth/ that lacks a custom query string parameter and client-token.

Weakness: CWE-476

Which versions are affected by CVE-2023-38321?

It affects 1 product.

Products include Sierrawireless Aleos.

How do I fix CVE-2023-38321?

Upgrade to a fixed version.

Is CVE-2023-38321 being exploited?

There is no known exploitation of CVE-2023-38321 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-38321, GHSA-7246-m99m-q4pq.

Is CVE-2023-38321 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free