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Debian LTS Advisory ([SECURITY] [DLA 1525-1] mosquitto security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)