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CVE-2017-7652

Good to know:

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Date: April 25, 2018

In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.

Language: C

Severity Score

Related Resources (9)

https://www.debian.org/security/2018/dsa-4325
https://security-tracker.debian.org/tracker/CVE-2017-7652
https://nvd.nist.gov/vuln/detail/CVE-2017-7652
https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
https://bugs.eclipse.org/bugs/show_bug.cgi?id=530102
https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7652
https://www.mend.io/vulnerability-database/CVE-2017-7652

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Insufficient Information

NVD-CWE-noinfo

Memory Allocation with Excessive Size Value

CWE-789

Top Fix

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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