GLSA-202105-12 : OpenSMTPD: Multiple vulnerabilities

high Nessus Plugin ID 150009

Synopsis

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

Description

The remote host is affected by the vulnerability described in GLSA-202105-12 (OpenSMTPD: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in OpenSMTPD. Please review the CVE identifiers referenced below for details.
Impact :

A remote attacker, by connecting to the SMTP listener daemon, could possibly cause a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All OpenSMTPD users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=mail-mta/opensmtpd-6.8.0_p2'

See Also

https://security.gentoo.org/glsa/202105-12

Plugin Details

Severity: High

ID: 150009

File Name: gentoo_GLSA-202105-12.nasl

Version: 1.3

Type: local

Published: 5/27/2021

Updated: 4/28/2022

Supported Sensors: 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-2020-35680

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:gentoo:linux:opensmtpd, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/26/2021

Vulnerability Publication Date: 12/24/2020

Reference Information

CVE: CVE-2020-35679, CVE-2020-35680

GLSA: 202105-12