Detections
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CentOS 8 : libssh (CESA-2020:4545)

high Nessus Plugin ID 145943

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Synopsis

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

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4545 advisory.

 - libssh: unsanitized location in scp could lead to unwanted command execution (CVE-2019-14889)

 - libssh: denial of service when handling AES-CTR (or DES) ciphers (CVE-2020-1730)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected libssh, libssh-config and / or libssh-devel packages.

See Also

https://access.redhat.com/errata/RHSA-2020:4545

Plugin Details

Severity: High

ID: 145943

File Name: centos8_RHSA-2020-4545.nasl

Version: 1.5

Type: local

Agent: unix

Published: 2/1/2021

Updated: 2/2/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2019-14889

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:libssh-devel, p-cpe:/a:centos:centos:libssh-config, p-cpe:/a:centos:centos:libssh

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 12/10/2019

Reference Information

CVE: CVE-2019-14889, CVE-2020-1730

RHSA: 2020:4545