SUSE SLES11 Security Update : libtcnative-1-0 (SUSE-SU-2019:14014-1)

high Nessus Plugin ID 123971

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Synopsis

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

Description

This update for libtcnative-1-0 to version 1.1.34 fixes the following issues :

CVE-2017-15698: Fixed an improper handling of fields with more than 127 bytes which could allow invalid client certificates to be accepted (bsc#1078679).

CVE-2018-8019: When using an OCSP responder did not correctly handle invalid responses. This allowed for revoked client certificates to be incorrectly identified. It was therefore possible for users to authenticate with revoked certificates when using mutual TLS (bsc#1103348).

CVE-2018-8020: Did not properly check OCSP pre-produced responses.
Revoked client certificates may have not been properly identified, allowing for users to authenticate with revoked certificates to connections that require mutual TLS (bsc#1103347).

For a complete list of changes please see http://tomcat.apache.org/native-1.1-doc/miscellaneous/changelog.html

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 Server 11-SP4-LTSS:zypper in -t patch slessp4-libtcnative-1-0-14014=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-libtcnative-1-0-14014=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-libtcnative-1-0-14014=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-libtcnative-1-0-14014=1

Plugin Details

Severity: High

ID: 123971

File Name: suse_SU-2019-14014-1.nasl

Version: 1.4

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/10/2019

Updated: 1/26/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2018-8020

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/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:libtcnative-1, cpe:/o:novell:suse_linux:11

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: 4/9/2019

Vulnerability Publication Date: 1/31/2018

Reference Information

CVE: CVE-2017-15698, CVE-2018-8019, CVE-2018-8020

Detections

Analytics