CVE-2017-2909

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.55%
Third-Party Advisory talosintelligence.com
Affected: Cesanta Mongoose
Published at:
Updated at:

References

Link Tags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0416 third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2017-2909?
CVE-2017-2909 has been scored as a high severity vulnerability.
How to fix CVE-2017-2909?
To fix CVE-2017-2909, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-2909 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-2909 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-2909?
CVE-2017-2909 affects Cesanta Mongoose.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.