CVE-2024-3935

Public Exploit
Eclipse Mosquito: Double free vulnerability

Description

In Eclipse Mosquito, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted PUBLISH packet to the broker a double free will occur with a subsequent crash of the broker.

Category

6.0
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.20%
Vendor Advisory eclipse.org
Affected: Eclipse Foundation mosquitto
Published at:
Updated at:

References

Link Tags
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/197 vendor advisory issue tracking exploit
https://mosquitto.org/blog/2024/10/version-2-0-19-released/ release notes
https://github.com/eclipse-mosquitto/mosquitto/commit/ae7a804dadac8f2aaedb24336df8496a9680fda9 patch

Frequently Asked Questions

What is the severity of CVE-2024-3935?
CVE-2024-3935 has been scored as a medium severity vulnerability.
How to fix CVE-2024-3935?
To fix CVE-2024-3935, 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-2024-3935 being actively exploited in the wild?
It is possible that CVE-2024-3935 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-3935?
CVE-2024-3935 affects Eclipse Foundation mosquitto.
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