Negative SubACK Causes Out-of-Bounds Memory Access in Mosquitto Subscribers
CVE-2024-10525
7.2HIGH
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.
Affected Version(s)
mosquitto 1.3.2 <= 2.0.18
References
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