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Ubuntu 16.04 LTS / 18.04 LTS : Dovecot vulnerability (USN-4110-1)

critical Nessus Plugin ID 128320

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4110-1 advisory.

 Nick Roessler and Rafi Rubin discovered that Dovecot incorrectly handled certain data. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

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 packages.

See Also

https://ubuntu.com/security/notices/USN-4110-1

Plugin Details

Severity: Critical

ID: 128320

File Name: ubuntu_USN-4110-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 8/29/2019

Updated: 8/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2019-11500

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dovecot-lmtpd, p-cpe:/a:canonical:ubuntu_linux:dovecot-core, p-cpe:/a:canonical:ubuntu_linux:dovecot-pop3d, p-cpe:/a:canonical:ubuntu_linux:dovecot-sieve, p-cpe:/a:canonical:ubuntu_linux:dovecot-imapd, p-cpe:/a:canonical:ubuntu_linux:dovecot-ldap, p-cpe:/a:canonical:ubuntu_linux:dovecot-pgsql, p-cpe:/a:canonical:ubuntu_linux:dovecot-sqlite, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:dovecot-lucene, p-cpe:/a:canonical:ubuntu_linux:dovecot-managesieved, p-cpe:/a:canonical:ubuntu_linux:dovecot-mysql, p-cpe:/a:canonical:ubuntu_linux:mail-stack-delivery, p-cpe:/a:canonical:ubuntu_linux:dovecot-solr, p-cpe:/a:canonical:ubuntu_linux:dovecot-dev, p-cpe:/a:canonical:ubuntu_linux:dovecot-gssapi

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/28/2019

Vulnerability Publication Date: 8/29/2019

Reference Information

CVE: CVE-2019-11500

USN: 4110-1