CVE-2019-11849: ALEOS AT API Stack Overflow

Published Aug 21, 2020
·
Updated

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

Affected Software

7 affected components
Sierrawireless Aleos<4.11.0
Sierrawireless Airlink Lx40
Sierrawireless Airlink Lx60
Sierrawireless Airlink Mp70
Sierrawireless Airlink Mp70e
Sierrawireless Airlink Rv50
Sierrawireless Airlink Rv50x

Event History

Aug 21, 2020
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionSeverity
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Frequently Asked Questions

1

What is CVE-2019-11849?

CVE-2019-11849 is a stack overflow vulnerability in the AT command APIs of ALEOS before 4.11.0.

2

What software versions are affected by CVE-2019-11849?

ALEOS versions before 4.11.0 are affected by CVE-2019-11849.

3

What is the severity of CVE-2019-11849?

CVE-2019-11849 has a severity level of medium with a CVSS score of 6.7.

4

How can I fix the CVE-2019-11849 vulnerability?

To fix the CVE-2019-11849 vulnerability, upgrade ALEOS to version 4.11.0 or later.

5

Where can I find more information about CVE-2019-11849?

You can find more information about CVE-2019-11849 at the following link: [Sierra Wireless Technical Bulletin - SWI-PSA-2020-004](https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-004/)

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