Detections
Analytics

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Dovecot vulnerability (USN-3881-1)

medium Nessus Plugin ID 121619

Language:

Synopsis

The remote Ubuntu host is missing a security update.

Description

It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-3881-1

Plugin Details

Severity: Medium

ID: 121619

File Name: ubuntu_USN-3881-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2/6/2019

Updated: 10/21/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2019-3814

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dovecot-core, p-cpe:/a:canonical:ubuntu_linux:dovecot-dev, p-cpe:/a:canonical:ubuntu_linux:dovecot-gssapi, p-cpe:/a:canonical:ubuntu_linux:dovecot-imapd, p-cpe:/a:canonical:ubuntu_linux:dovecot-ldap, p-cpe:/a:canonical:ubuntu_linux:dovecot-lmtpd, 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:dovecot-pgsql, p-cpe:/a:canonical:ubuntu_linux:dovecot-pop3d, p-cpe:/a:canonical:ubuntu_linux:dovecot-sieve, p-cpe:/a:canonical:ubuntu_linux:dovecot-solr, p-cpe:/a:canonical:ubuntu_linux:dovecot-sqlite, p-cpe:/a:canonical:ubuntu_linux:mail-stack-delivery, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/5/2019

Vulnerability Publication Date: 3/27/2019

Reference Information

CVE: CVE-2019-3814

USN: 3881-1