CVE-2023-40465 Improper input leads to DoS

High 8.3 Published Updated

A local network attacker can cause a Denial of Service on the captive portal of Sierra Wireless ALEOS devices due to improper input handling in a third-party component.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-40465?

CVE-2023-40465 is a high-severity denial of service vulnerability in SierraWireless ALEOS, published on 4 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Several versions of ALEOS, including ALEOS 4.16.0, include an opensource

third-party component which can be exploited from the local

area network, resulting in a Denial of Service condition for the captive portal.

Weakness: CWE-787, CWE-122, CWE-121

Which versions are affected by CVE-2023-40465?

It affects 1 product.

Products include Sierrawireless Aleos.

How do I fix CVE-2023-40465?

No fix has been published for CVE-2023-40465 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-2023-40465 being exploited?

There is no known exploitation of CVE-2023-40465 in the wild and no public exploit code.

Sources

Also known as GHSA-2vrx-x739-p6p6.

Is CVE-2023-40465 in your software?

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