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Ubuntu 16.04 LTS : Dnsmasq vulnerability (USN-3009-1)

high Nessus Plugin ID 91725

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3009-1 advisory.

 Edwin Trk discovered that Dnsmasq incorrectly handled certain CNAME responses. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected dnsmasq, dnsmasq-base and / or dnsmasq-utils packages.

See Also

https://ubuntu.com/security/notices/USN-3009-1

Plugin Details

Severity: High

ID: 91725

File Name: ubuntu_USN-3009-1.nasl

Version: 2.12

Type: local

Agent: unix

Published: 6/21/2016

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2015-8899

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dnsmasq-base, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:dnsmasq-utils, p-cpe:/a:canonical:ubuntu_linux:dnsmasq

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/20/2016

Vulnerability Publication Date: 6/30/2016

Reference Information

CVE: CVE-2015-8899

USN: 3009-1