Security update for openvpn

Announcement ID: SUSE-SU-2017:1642-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2017-7508 ( SUSE ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2017-7508 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SLES for SAP Applications 11-SP4
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
  • SUSE Linux Enterprise Server 11 SP4

An update that solves one vulnerability can now be installed.

Description:

This update for openvpn fixes the following issues:

  • It was possible to trigger an assertion by sending a malformed IPv6 packet. That issue could have been abused to remotely shutdown an openvpn server or client, if IPv6 and --mssfix were enabled and if the IPv6 networks used inside the VPN were known. [bsc#1044947, CVE-2017-7508]

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 Point of Service 11 SP3
    zypper in -t patch sleposp3-openvpn-13166=1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3
    zypper in -t patch slessp3-openvpn-13166=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-openvpn-13166=1
  • SLES for SAP Applications 11-SP4
    zypper in -t patch slessp4-openvpn-13166=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • openvpn-2.0.9-143.46.1
    • openvpn-auth-pam-plugin-2.0.9-143.46.1
  • SUSE Linux Enterprise Server 11 SP3 LTSS 11-SP3 (s390x x86_64 i586)
    • openvpn-2.0.9-143.46.1
    • openvpn-auth-pam-plugin-2.0.9-143.46.1
  • SUSE Linux Enterprise Server 11 SP4 (s390x x86_64 i586 ppc64 ia64)
    • openvpn-2.0.9-143.46.1
    • openvpn-auth-pam-plugin-2.0.9-143.46.1
  • SLES for SAP Applications 11-SP4 (ppc64 x86_64)
    • openvpn-2.0.9-143.46.1
    • openvpn-auth-pam-plugin-2.0.9-143.46.1

References: