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CVE-2017-7652Date: (C)2018-04-26   (M)2018-11-12


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 6.0
Exploit Score: 1.6Exploit Score: 6.8
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: LOWAuthentication: SINGLE_INSTANCE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
https://bugs.eclipse.org/bugs/show_bug.cgi?id=530102
https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/

CPE    1
cpe:/o:debian:debian_linux:7.0
CWE    1
CWE-284
OVAL    4
oval:org.secpod.oval:def:114227
oval:org.secpod.oval:def:114226
oval:org.secpod.oval:def:603553
oval:org.secpod.oval:def:115262
...

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