Security update for openvpn

Announcement ID:	SUSE-SU-2017:1622-1
Rating:	important
References:	bsc#1038709 bsc#1038711 bsc#1038713 bsc#995374
Cross-References:	CVE-2016-6329 CVE-2017-7478 CVE-2017-7479
CVSS scores:	CVE-2016-6329 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2017-7478 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2017-7479 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise Desktop 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for the Raspberry Pi 12-SP2

An update that solves three vulnerabilities and has one security fix can now be installed.

Description:

This update for openvpn fixes the following issues:

• CVE-2016-6329: Show which ciphers should no longer be used in openvpn --show-ciphers (bsc#995374)
• CVE-2017-7478: openvpn: Authenticated user can DoS server by using a big payload in P_CONTROL (bsc#1038709)
• CVE-2017-7479: openvpn: Denial of Service due to Exhaustion of Packet-ID counter (bsc#1038711)
• Hardening measures found by internal audit (bsc#1038713)

Patch Instructions:

To install this SUSE 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 Desktop 12 SP2
  zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-998=1
• SUSE Linux Enterprise Server for the Raspberry Pi 12-SP2
  zypper in -t patch SUSE-SLE-RPI-12-SP2-2017-998=1
• SUSE Linux Enterprise High Performance Computing 12 SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-998=1
• SUSE Linux Enterprise Server 12 SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-998=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-998=1

Package List:

• SUSE Linux Enterprise Desktop 12 SP2 (x86_64)
  • openvpn-debugsource-2.3.8-16.14.1
  • openvpn-debuginfo-2.3.8-16.14.1
  • openvpn-2.3.8-16.14.1
• SUSE Linux Enterprise Server for the Raspberry Pi 12-SP2 (aarch64)
  • openvpn-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-debuginfo-2.3.8-16.14.1
  • openvpn-debugsource-2.3.8-16.14.1
  • openvpn-debuginfo-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-2.3.8-16.14.1
• SUSE Linux Enterprise High Performance Computing 12 SP2 (aarch64 x86_64)
  • openvpn-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-debuginfo-2.3.8-16.14.1
  • openvpn-debugsource-2.3.8-16.14.1
  • openvpn-debuginfo-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-2.3.8-16.14.1
• SUSE Linux Enterprise Server 12 SP2 (aarch64 ppc64le s390x x86_64)
  • openvpn-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-debuginfo-2.3.8-16.14.1
  • openvpn-debugsource-2.3.8-16.14.1
  • openvpn-debuginfo-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-2.3.8-16.14.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le x86_64)
  • openvpn-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-debuginfo-2.3.8-16.14.1
  • openvpn-debugsource-2.3.8-16.14.1
  • openvpn-debuginfo-2.3.8-16.14.1
  • openvpn-auth-pam-plugin-2.3.8-16.14.1

References:

• https://www.suse.com/security/cve/CVE-2016-6329.html
• https://www.suse.com/security/cve/CVE-2017-7478.html
• https://www.suse.com/security/cve/CVE-2017-7479.html
• https://bugzilla.suse.com/show_bug.cgi?id=1038709
• https://bugzilla.suse.com/show_bug.cgi?id=1038711
• https://bugzilla.suse.com/show_bug.cgi?id=1038713
• https://bugzilla.suse.com/show_bug.cgi?id=995374