Negative SubACK Causes Out-of-Bounds Memory Access in Mosquitto Subscribers
CVE-2024-10525

7.2HIGH

Key Information:

Vendor

Eclipse Foundation

Status
Mosquitto
Vendor
CVE Published:
30 October 2024

What is CVE-2024-10525?

Eclipse Mosquitto clients, specifically those utilizing libmosquitto, are susceptible to an out of bounds memory access when a malicious broker transmits a crafted SUBACK packet devoid of reason codes. This vulnerability targets the mosquitto_sub and mosquitto_rr clients, posing a risk to data integrity and stability during subscription confirmations. It is crucial for users running versions 1.3.2 through 2.0.18 to upgrade to the latest version to mitigate potential exploitation risks.

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Deploy the Patch

Affected Version(s)

mosquitto 1.3.2 <= 2.0.18

References

https://gitlab.eclipse.org/security/vulnerability-reports...
https://mosquitto.org/blog/2024/10/version-2-0-19-released/
https://github.com/eclipse-mosquitto/mosquitto/commit/8ab...

EPSS Score

17% chance of being exploited in the next 30 days.

CVSS V4

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Qingpeng Du
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