SUSE SLES11 Security Update : openvpn (SUSE-SU-2017:2838-1) (SWEET32)

high Nessus Plugin ID 104141

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Synopsis

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

Description

This update for openvpn fixes the following security issues :

- CVE-2017-12166: OpenVPN was vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution. (bsc#1060877).

- CVE-2016-6329: Now show which ciphers should no longer be used in openvpn --show-ciphers to avoid the SWEET32 attack (bsc#995374)

- CVE-2017-7478: OpenVPN was vulnerable to unauthenticated Denial of Service of server via received large control packet. (bsc#1038709)

- CVE-2017-7479: OpenVPN was vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker. (bsc#1038711)

- Some other hardening fixes have also been applied (bsc#1038713)

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 Server 11-SP4:zypper in -t patch slessp4-openvpn-13322=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-openvpn-13322=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-openvpn-13322=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-openvpn-13322=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-openvpn-13322=1

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

Plugin Details

Severity: High

ID: 104141

File Name: suse_SU-2017-2838-1.nasl

Version: 3.13

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/25/2017

Updated: 12/5/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:openvpn, p-cpe:/a:novell:suse_linux:openvpn-auth-pam-plugin, cpe:/o:novell:suse_linux:11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/24/2017

Vulnerability Publication Date: 1/31/2017

Reference Information

CVE: CVE-2016-6329, CVE-2017-12166, CVE-2017-7478, CVE-2017-7479

IAVA: 2017-A-0285

Detections

Analytics