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[security-announce] SUSE-SU-2017:2838-1: important: Security update for openvpn
SUSE Security Update: Security update for openvpn
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:2838-1
Rating: important
References: #1038709 #1038711 #1038713 #1060877 #995374

Cross-References: CVE-2016-6329 CVE-2017-12166 CVE-2017-7478
CVE-2017-7479
Affected Products:
SUSE Linux Enterprise Server 11-SP4
SUSE Linux Enterprise Server 11-SP3-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________

An update that solves four vulnerabilities and has one
errata is now available.

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)


Patch Instructions:

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".


Package List:

- SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):

openvpn-2.0.9-143.47.3.1
openvpn-auth-pam-plugin-2.0.9-143.47.3.1

- SUSE Linux Enterprise Server 11-SP3-LTSS (i586 s390x x86_64):

openvpn-2.0.9-143.47.3.1
openvpn-auth-pam-plugin-2.0.9-143.47.3.1

- SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

openvpn-2.0.9-143.47.3.1
openvpn-auth-pam-plugin-2.0.9-143.47.3.1

- SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):

openvpn-debuginfo-2.0.9-143.47.3.1
openvpn-debugsource-2.0.9-143.47.3.1

- SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):

openvpn-debuginfo-2.0.9-143.47.3.1
openvpn-debugsource-2.0.9-143.47.3.1


References:

https://www.suse.com/security/cve/CVE-2016-6329.html
https://www.suse.com/security/cve/CVE-2017-12166.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/1038709
https://bugzilla.suse.com/1038711
https://bugzilla.suse.com/1038713
https://bugzilla.suse.com/1060877
https://bugzilla.suse.com/995374

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