CVE-2017-2909: High severity Cesanta Mongoose vulnerability

Published Nov 7, 2017
·
Updated

An infinite loop programming error exists in the DNS server functionality of Cesanta Mongoose 6.8 library. A specially crafted DNS request can cause an infinite loop resulting in high CPU usage and Denial Of Service. An attacker can send a packet over the network to trigger this vulnerability.

Affected Software

1 affected component
Cesanta Mongoose=6.8

Event History

Nov 7, 2017
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2017-2909?

CVE-2017-2909 is a vulnerability in the DNS server functionality of Cesanta Mongoose 6.8 library that can cause an infinite loop resulting in high CPU usage and Denial Of Service.

2

How does CVE-2017-2909 affect Cesanta Mongoose 6.8?

CVE-2017-2909 affects Cesanta Mongoose 6.8 by allowing a specially crafted DNS request to trigger an infinite loop, resulting in high CPU usage and Denial of Service.

3

What is the severity of CVE-2017-2909?

CVE-2017-2909 has a severity rating of 7.5 (high).

4

How can I fix CVE-2017-2909?

To fix CVE-2017-2909, it is recommended to update to a version of Cesanta Mongoose that does not contain the vulnerability.

5

Where can I find more information about CVE-2017-2909?

You can find more information about CVE-2017-2909 at the following link: [CVE-2017-2909](https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416)

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