SUSE SLED12 / SLES12 Security Update : krb5 (SUSE-SU-2018:0846-1)

medium Nessus Plugin ID 108747

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Synopsis

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

Description

This update for krb5 provides the following fixes: Security issues fixed :

- CVE-2018-5730: DN container check bypass by supplying special crafted data (bsc#1083927).

- CVE-2018-5729: NULL pointer dereference in kadmind or DN container check bypass by supplying special crafted data (bsc#1083926). Non-security issues fixed :

- Make it possible for legacy applications (e.g. SAP Netweaver) to remain compatible with newer Kerberos.
System administrators who are experiencing this kind of compatibility issues may set the environment variable GSSAPI_ASSUME_MECH_MATCH to a non-empty value, and make sure the environment variable is visible and effective to the application startup script. (bsc#1057662)

- Fix a GSS failure in legacy applications by not indicating deprecated GSS mechanisms in gss_indicate_mech() list. (bsc#1081725)

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 Software Development Kit 12-SP3:zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-567=1

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2018-567=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2018-567=1

SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-567=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-567=1

SUSE Linux Enterprise Desktop 12-SP3:zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-567=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2018-567=1

SUSE CaaS Platform ALL :

To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

OpenStack Cloud Magnum Orchestration 7:zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-567=1

Plugin Details

Severity: Medium

ID: 108747

File Name: suse_SU-2018-0846-1.nasl

Version: 1.5

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 3/30/2018

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: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 6.5

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

CVSS v3

Risk Factor: Medium

Base Score: 4.7

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:krb5-plugin-kdb-ldap, p-cpe:/a:novell:suse_linux:krb5-server-debuginfo, p-cpe:/a:novell:suse_linux:krb5-plugin-kdb-ldap-debuginfo, p-cpe:/a:novell:suse_linux:krb5-plugin-preauth-pkinit, p-cpe:/a:novell:suse_linux:krb5-client-debuginfo, p-cpe:/a:novell:suse_linux:krb5-plugin-preauth-pkinit-debuginfo, p-cpe:/a:novell:suse_linux:krb5-debugsource, p-cpe:/a:novell:suse_linux:krb5-plugin-preauth-otp, p-cpe:/a:novell:suse_linux:krb5-server, p-cpe:/a:novell:suse_linux:krb5-doc, p-cpe:/a:novell:suse_linux:krb5-debuginfo, p-cpe:/a:novell:suse_linux:krb5-plugin-preauth-otp-debuginfo, p-cpe:/a:novell:suse_linux:krb5, p-cpe:/a:novell:suse_linux:krb5-client

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

Patch Publication Date: 3/29/2018

Vulnerability Publication Date: 3/6/2018

Reference Information

CVE: CVE-2018-5729, CVE-2018-5730

Detections

Analytics