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CentOS 7 : openssh (CESA-2019:2143)

medium Nessus Plugin ID 128363

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for openssh is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es) :

* openssh: User enumeration via malformed packets in authentication requests (CVE-2018-15473)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Solution

Update the affected openssh packages.

See Also

http://www.nessus.org/u?5e82602f

Plugin Details

Severity: Medium

ID: 128363

File Name: centos_RHSA-2019-2143.nasl

Version: 1.5

Type: local

Agent: unix

Published: 8/30/2019

Updated: 4/30/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

CVSS Score Source: CVE-2018-15473

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:openssh-server, p-cpe:/a:centos:centos:openssh-clients, p-cpe:/a:centos:centos:openssh-server-sysvinit, p-cpe:/a:centos:centos:openssh-keycat, p-cpe:/a:centos:centos:openssh-askpass, p-cpe:/a:centos:centos:openssh, p-cpe:/a:centos:centos:openssh-ldap, p-cpe:/a:centos:centos:pam_ssh_agent_auth, p-cpe:/a:centos:centos:openssh-cavs

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/29/2019

Vulnerability Publication Date: 8/17/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2018-15473

RHSA: 2019:2143