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CVE-2024-3935— Eclipse Mosquito: Double free vulnerability

Quick assessment

Affected
Eclipse Foundation mosquitto
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Eclipse Mosquitto是Eclipse基金会的一套开源的消息代理软件。 Eclipse Mosquitto 2.0.0至2.0.18版本存在安全漏洞，该漏洞源于如果Mosquitto代理设置了传出桥接，并且该桥接对传入主题进行了重新映射，当远程连接发送特定构造的PUBLISH数据包时，可能会导致双重释放问题，进而使代理崩溃。

AI Predicted 8.1 Difficulty: Easy EPSS 0.75% · P52

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-3935

Vulnerability Information
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Vulnerability Title
Eclipse Mosquito: Double free vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Mosquitto 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Mosquitto是Eclipse基金会的一套开源的消息代理软件。 Eclipse Mosquitto 2.0.0至2.0.18版本存在安全漏洞，该漏洞源于如果Mosquitto代理设置了传出桥接，并且该桥接对传入主题进行了重新映射，当远程连接发送特定构造的PUBLISH数据包时，可能会导致双重释放问题，进而使代理崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation mosquitto 2.0.0 ~ 2.0.18 -

II. Public POCs for CVE-2024-3935

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III. Intelligence Information for CVE-2024-3935

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Patches & Fixes for CVE-2024-3935 (1)

Vendor Advisories for CVE-2024-3935 (1)

IV. Related Vulnerabilities

Same product: mosquitto
Same vendor: Eclipse Foundation
Same weakness: CWE-415

V. Comments for CVE-2024-3935

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