SUSE SLED12 / SLES12 Security Update : gnutls (SUSE-SU-2017:0348-1)

critical Nessus Plugin ID 96950

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Synopsis

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

Description

This update for gnutls fixes the following security issues :

- GnuTLS could have crashed when processing maliciously crafted OpenPGP certificates (GNUTLS-SA-2017-2, bsc#1018832, CVE-2017-5335, CVE-2017-5337, CVE-2017-5336)

- GnuTLS could have falsely accepted certificates when using OCSP (GNUTLS-SA-2016-3, bsc#999646, CVE-2016-7444)

- GnuTLS could have suffered from 100% CPU load DoS attacks by using SSL alert packets during the handshake (bsc#1005879, CVE-2016-8610)

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-177=1

SUSE Linux Enterprise Software Development Kit 12-SP1:zypper in -t patch SUSE-SLE-SDK-12-SP1-2017-177=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-177=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-177=1

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-177=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-177=1

SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2017-177=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1005879

https://bugzilla.suse.com/show_bug.cgi?id=1018832

https://bugzilla.suse.com/show_bug.cgi?id=999646

https://www.suse.com/security/cve/CVE-2016-7444/

https://www.suse.com/security/cve/CVE-2016-8610/

https://www.suse.com/security/cve/CVE-2017-5335/

https://www.suse.com/security/cve/CVE-2017-5336/

https://www.suse.com/security/cve/CVE-2017-5337/

http://www.nessus.org/u?21e2fec4

Plugin Details

Severity: Critical

ID: 96950

File Name: suse_SU-2017-0348-1.nasl

Version: 3.9

Type: local

Agent: unix

Published: 2/2/2017

Updated: 1/6/2021

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libgnutls-openssl27, p-cpe:/a:novell:suse_linux:libgnutls28-debuginfo, p-cpe:/a:novell:suse_linux:gnutls-debugsource, p-cpe:/a:novell:suse_linux:libgnutls28, p-cpe:/a:novell:suse_linux:libgnutls-openssl27-debuginfo, p-cpe:/a:novell:suse_linux:gnutls-debuginfo, p-cpe:/a:novell:suse_linux:gnutls

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: 2/1/2017

Vulnerability Publication Date: 9/27/2016

Reference Information

CVE: CVE-2016-7444, CVE-2016-8610, CVE-2017-5335, CVE-2017-5336, CVE-2017-5337