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CVE-2024-10525

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Date: October 30, 2024

In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.

Language: C

Severity Score

Related Resources (6)

https://github.com/eclipse-mosquitto/mosquitto/commit/8ab20b4ba4204fdcdec78cb4d9f03c944a6e0e1c
https://nvd.nist.gov/vuln/detail/CVE-2024-10525
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190
https://mosquitto.org/blog/2024/10/version-2-0-19-released/
https://security-tracker.debian.org/tracker/CVE-2024-10525
https://www.mend.io/vulnerability-database/CVE-2024-10525

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Heap-based Buffer Overflow

CWE-122

Top Fix

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Upgrade to version mosquitto - 2.0.19

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

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