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Debian LTS Advisory ([SECURITY] [DLA 1525-1] mosquitto security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
CVE-2017-7653 As invalid UTF-8 strings are not correctly checked, an attacker could cause a denial of service to other clients by disconnecting them from the broker with special crafted topics. CVE-2017-7654 Due to a memory leak unauthenticated clients can send special crafted CONNECT packets which could cause a denial of service in the broker. CVE-2017-9868 Due to wrong file permissions local users could obtain topic information from the mosquitto database.
Affected Software
Affected Software
mosquitto on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For Debian 8 'Jessie', these problems have been fixed in version 1.3.4-2+deb8u3. We recommend that you upgrade your mosquitto packages.