CVE-2019-11850 ALEOS AT Command Stack Overflow

Medium 6.3 Published 21 Aug 2020 Updated 16 Sep 2024

A stack overflow in the ALEOS AT command interface allows attackers to execute arbitrary code on affected IoT devices.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-11850?

CVE-2019-11850 is a medium-severity memory corruption vulnerability in n/a, published on 21 Aug 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A stack overflow vulnerabiltity exist in the AT command interface of ALEOS before 4.11.0. The vulnerability may allow code execution

Weakness: CWE-787

Which versions are affected by CVE-2019-11850?

It affects 1 product.

Products include Sierrawireless Aleos.

How do I fix CVE-2019-11850?

No fix has been published for CVE-2019-11850 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-2019-11850 being exploited?

There is no known exploitation of CVE-2019-11850 in the wild and no public exploit code.

Sources

Also known as GHSA-pfq7-v4qw-rp8r.