Security update for openssh

SUSE Security Update: Security update for openssh
Announcement ID: SUSE-SU-2018:3910-1
Rating: moderate
References: #1091396 #1105010 #964336
Cross-References: CVE-2018-15473
Affected Products:
  • SUSE OpenStack Cloud 7
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP4
  • SUSE Linux Enterprise Server 12-SP3
  • SUSE Linux Enterprise Server 12-SP2-LTSS
  • SUSE Linux Enterprise Server 12-SP2-BCL
  • SUSE Linux Enterprise Desktop 12-SP4
  • SUSE Linux Enterprise Desktop 12-SP3
  • SUSE Enterprise Storage 4
  • SUSE CaaS Platform ALL
  • SUSE CaaS Platform 3.0
  • OpenStack Cloud Magnum Orchestration 7

An update that solves one vulnerability and has two fixes is now available.

Description:

This update for openssh fixes the following issues:
Following security issues have been fixed:

  • CVE-2018-15473: OpenSSH was prone to a user existance oracle vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c. (bsc#1105010)

The following non-security issues were fixed:
  • Stop leaking File descriptors (bsc#964336)
  • sftp-client.c returns wrong error code upon failure [bsc#1091396]

Patch Instructions:

To install this SUSE Security 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 OpenStack Cloud 7:
    zypper in -t patch SUSE-OpenStack-Cloud-7-2018-2783=1
  • SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-2783=1
  • SUSE Linux Enterprise Server 12-SP4:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-2018-2783=1
  • SUSE Linux Enterprise Server 12-SP3:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-2783=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-2783=1
  • SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2018-2783=1
  • SUSE Linux Enterprise Desktop 12-SP4:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2018-2783=1
  • SUSE Linux Enterprise Desktop 12-SP3:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-2783=1
  • SUSE Enterprise Storage 4:
    zypper in -t patch SUSE-Storage-4-2018-2783=1
  • SUSE CaaS Platform ALL:
    To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • SUSE CaaS Platform 3.0:
    To install this update, use the SUSE CaaS Platform Velum dashboard. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.
  • OpenStack Cloud Magnum Orchestration 7:
    zypper in -t patch SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2018-2783=1

Package List:

  • SUSE OpenStack Cloud 7 (s390x x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Desktop 12-SP4 (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE Enterprise Storage 4 (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-askpass-gnome-7.2p2-74.30.1
    • openssh-askpass-gnome-debuginfo-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
    • openssh-fips-7.2p2-74.30.1
    • openssh-helpers-7.2p2-74.30.1
    • openssh-helpers-debuginfo-7.2p2-74.30.1
  • SUSE CaaS Platform ALL (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
  • SUSE CaaS Platform 3.0 (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1
  • OpenStack Cloud Magnum Orchestration 7 (x86_64):
    • openssh-7.2p2-74.30.1
    • openssh-debuginfo-7.2p2-74.30.1
    • openssh-debugsource-7.2p2-74.30.1

References: