Ubuntu 18.10 / 19.04 : Dovecot vulnerabilities (USN-3961-1)

high Nessus Plugin ID 124457

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that the Dovecot Submission login service incorrectly handled certain operations. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service.

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 dovecot-core and / or dovecot-submissiond packages.

See Also

https://usn.ubuntu.com/3961-1/

Plugin Details

Severity: High

ID: 124457

File Name: ubuntu_USN-3961-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 5/1/2019

Updated: 5/30/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, 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-2019-11499

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: cpe:/o:canonical:ubuntu_linux:19.04, p-cpe:/a:canonical:ubuntu_linux:dovecot-core, p-cpe:/a:canonical:ubuntu_linux:dovecot-submissiond, cpe:/o:canonical:ubuntu_linux:18.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/30/2019

Vulnerability Publication Date: 5/8/2019

Reference Information

CVE: CVE-2019-11494, CVE-2019-11499

USN: 3961-1