Debian DSA-4690-1 : dovecot - security update

high Nessus Plugin ID 136754

Synopsis

The remote Debian host is missing a security-related update.

Description

Several vulnerabilities were discovered in the Dovecot email server, which could cause crashes in the submission, submission-login or lmtp services, resulting in denial of service.

Solution

Upgrade the dovecot packages.

For the stable distribution (buster), these problems have been fixed in version 1:2.3.4.1-5+deb10u2.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=960963

https://security-tracker.debian.org/tracker/source-package/dovecot

https://packages.debian.org/source/buster/dovecot

https://www.debian.org/security/2020/dsa-4690

Plugin Details

Severity: High

ID: 136754

File Name: debian_DSA-4690.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/21/2020

Updated: 3/12/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-10967

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

CVSS Score Source: CVE-2020-10957

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:dovecot

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/20/2020

Vulnerability Publication Date: 5/18/2020

Reference Information

CVE: CVE-2020-10957, CVE-2020-10958, CVE-2020-10967

DSA: 4690