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SUSE SLED15 / SLES15 Security Update : libssh (SUSE-SU-2020:0967-1)

medium Nessus Plugin ID 135392

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Synopsis

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

Description

This update for libssh fixes the following issues :

CVE-2020-1730: Fixed a possible denial of service when using AES-CTR (bsc#1168699).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-967=1

SUSE Linux Enterprise Module for Basesystem 15-SP1:zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-967=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1168699

https://www.suse.com/security/cve/CVE-2020-1730/

http://www.nessus.org/u?3fd6862e

Plugin Details

Severity: Medium

ID: 135392

File Name: suse_SU-2020-0967-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 4/10/2020

Updated: 1/13/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

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-2020-1730

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libssh-debugsource, p-cpe:/a:novell:suse_linux:libssh-devel, p-cpe:/a:novell:suse_linux:libssh4, p-cpe:/a:novell:suse_linux:libssh4-32bit-debuginfo, p-cpe:/a:novell:suse_linux:libssh4-debuginfo, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/9/2020

Vulnerability Publication Date: 4/13/2020

Reference Information

CVE: CVE-2020-1730

IAVA: 2020-A-0203