Vulnerability Description
The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Mosquitto | >= 1.3.2, < 2.0.16 |
Related Weaknesses (CWE)
References
- https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfPatch
- https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://mosquitto.org/blog/2023/08/version-2-0-16-released/Release Notes
- https://security.gentoo.org/glsa/202401-09
- https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023Third Party Advisory
- https://www.debian.org/security/2023/dsa-5511
- https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfPatch
- https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16Release Notes
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://mosquitto.org/blog/2023/08/version-2-0-16-released/Release Notes
- https://security.gentoo.org/glsa/202401-09
- https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023Third Party Advisory
- https://www.debian.org/security/2023/dsa-5511
FAQ
What is CVE-2023-28366?
CVE-2023-28366 is a vulnerability with a CVSS score of 7.5 (HIGH). The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond t...
How severe is CVE-2023-28366?
CVE-2023-28366 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-28366?
Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Mosquitto.