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SUSE SLES12 Security Update : tigervnc (SUSE-SU-2020:2881-1)

high Nessus Plugin ID 143679

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Synopsis

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

Description

This update for tigervnc fixes the following issues :

CVE-2020-26117: Server certificates were stored as certiticate authorities, allowing malicious owners of these certificates to impersonate any server after a client had added an exception (bsc#1176733)

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 OpenStack Cloud Crowbar 9 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2020-2881=1

SUSE OpenStack Cloud 9 :

zypper in -t patch SUSE-OpenStack-Cloud-9-2020-2881=1

SUSE Linux Enterprise Server for SAP 12-SP4 :

zypper in -t patch SUSE-SLE-SAP-12-SP4-2020-2881=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-2881=1

SUSE Linux Enterprise Server 12-SP4-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2020-2881=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1176733

https://www.suse.com/security/cve/CVE-2020-26117/

http://www.nessus.org/u?3fe20072

Plugin Details

Severity: High

ID: 143679

File Name: suse_SU-2020-2881-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/9/2020

Updated: 2/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2020-26117

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libxvnc1-debuginfo, p-cpe:/a:novell:suse_linux:xorg-x11-xvnc, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:tigervnc-debuginfo, p-cpe:/a:novell:suse_linux:xorg-x11-xvnc-debuginfo, p-cpe:/a:novell:suse_linux:tigervnc, p-cpe:/a:novell:suse_linux:tigervnc-debugsource, p-cpe:/a:novell:suse_linux:libxvnc1

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: 10/9/2020

Vulnerability Publication Date: 9/27/2020

Reference Information

CVE: CVE-2020-26117