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

high Nessus Plugin ID 104141



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


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.


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'.

See Also

Plugin Details

Severity: High

ID: 104141

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

Version: 3.13

Type: local

Agent: unix

Published: 10/25/2017

Updated: 12/5/2022

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

Risk Information


Risk Factor: Medium

Score: 5.9


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


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