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AlienVault OTX Vulnerabilities

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mosquitto

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.

CVE-2024-3935 is a vulnerability classified under CWE-415 (Double Free) affecting the Eclipse Foundation's Mosquitto MQTT broker versions 2.0.0 through 2.0.18. The issue arises specifically when the broker is configured to create an outgoing bridge connection that includes an incoming topic with topic remapping enabled. Under these conditions, if the remote MQTT client sends a crafted PUBLISH packet, the broker's memory management mishandles the packet, leading to a double free of allocated memory. This double free results in a crash of the Mosquitto broker, effectively causing a denial of service (DoS). The vulnerability requires the attacker to have low-level privileges (PR:L) and authentication to the broker but does not require user interaction or elevated privileges. The CVSS 4.0 score is 6.0 (medium severity), reflecting the network attack vector, low attack complexity, and significant impact on availability. No known exploits have been reported in the wild as of the publication date. The flaw does not impact confidentiality or integrity directly but can disrupt service availability, which is critical in MQTT-dependent environments such as IoT, smart grids, and industrial control systems. The vulnerability is particularly relevant for deployments using bridge connections with topic remapping, a common configuration in complex MQTT topologies.

Detailed information about CVE-2024-3935: CWE-415 Double Free in Eclipse Foundation mosquitto affecting Eclipse Foundation mosquitto. Get real-time updates, tec

CVE-2024-3935: CWE-415 Double Free in Eclipse Foundation mosquitto - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-3935: CWE-415 Double Free in Eclipse Foundation mosquitto

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.

CVE-2024-10525 is a heap-based buffer overflow vulnerability identified in the Eclipse Mosquitto MQTT broker and client library, specifically affecting versions from 1.3.2 through 2.0.18. The flaw arises when a malicious MQTT broker sends a specially crafted SUBACK packet that contains no reason codes. Normally, the SUBACK packet includes reason codes indicating the status of subscription requests. However, the absence of these reason codes leads the libmosquitto client library to perform an out-of-bounds memory access during the execution of the on_subscribe callback function. This vulnerability impacts clients such as mosquitto_sub and mosquitto_rr, which rely on libmosquitto for MQTT communication. The heap-based buffer overflow can cause memory corruption, which attackers might exploit to execute arbitrary code remotely or cause a denial of service by crashing the client application. The vulnerability does not require user interaction or authentication, increasing its risk profile. The CVSS 4.0 vector indicates network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:L), no user interaction (UI:N), and high impact on integrity and availability (VI:H, VA:H), with limited impact on confidentiality (VC:L). Although no public exploits have been reported yet, the vulnerability's nature and ease of exploitation make it a significant threat to systems using affected Mosquitto versions. The Eclipse Foundation has published the vulnerability details but no patch links are currently available, indicating that mitigation may require workarounds or updates once released.

Detailed information about CVE-2024-10525: CWE-122 Heap-based Buffer Overflow in Eclipse Foundation mosquitto affecting Eclipse Foundation mosquitto. Get real-t

CVE-2024-10525: CWE-122 Heap-based Buffer Overflow in Eclipse Foundation mosquitto - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-10525: CWE-122 Heap-based Buffer Overflow in Eclipse Foundation mosquitto


CVE-2024-3935: CWE-415 Double Free in Eclipse Foundation mosquittoCVE-2024-3935 0 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. MediumVulnerabilityGermanyFranceUnited Kingdom+5#cve #cve-2024-3935 #cwe-415 Join the discussion	CVE Database V5	10/30/2024, 11:45:23 UTC Added: 11/03/2025, 21:40:30 UTC
CVE-2024-10525: CWE-122 Heap-based Buffer Overflow in Eclipse Foundation mosquittoCVE-2024-10525 0 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. HighVulnerabilityGermanyFranceUnited Kingdom+7#cve #cve-2024-10525 #cwe-122 Join the discussion	CVE Database V5	10/30/2024, 11:41:08 UTC Added: 11/03/2025, 21:40:23 UTC

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