Security update for openssh

Announcement ID: SUSE-SU-2019:0496-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-6109 ( SUSE ): 4.6 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
  • CVE-2019-6109 ( NVD ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
  • CVE-2019-6109 ( NVD ): 6.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
  • CVE-2019-6111 ( SUSE ): 4.8 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
  • CVE-2019-6111 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2019-6111 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products:
  • Basesystem Module 15
  • Desktop Applications Module 15
  • Server Applications Module 15
  • SUSE Linux Enterprise Desktop 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

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

Description:

This update for openssh fixes the following issues:

Security vulnerabilities addressed:

  • CVE-2019-6109: Fixed an character encoding issue in the progress display of the scp client that could be used to manipulate client output, allowing for spoofing during file transfers (bsc#1121816)
  • CVE-2019-6111: Properly validate object names received by the scp client to prevent arbitrary file overwrites when interacting with a malicious SSH server (bsc#1121821)

Other bug fixes and changes:

  • Handle brace expansion in scp when checking that filenames sent by the server side match what the client requested (bsc#1125687)

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:

  • Basesystem Module 15
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-496=1
  • Desktop Applications Module 15
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2019-496=1
  • Server Applications Module 15
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-496=1

Package List:

  • Basesystem Module 15 (aarch64 ppc64le s390x x86_64)
    • openssh-7.6p1-9.23.1
    • openssh-helpers-7.6p1-9.23.1
    • openssh-helpers-debuginfo-7.6p1-9.23.1
    • openssh-debuginfo-7.6p1-9.23.1
    • openssh-debugsource-7.6p1-9.23.1
  • Desktop Applications Module 15 (aarch64 ppc64le s390x x86_64)
    • openssh-askpass-gnome-debuginfo-7.6p1-9.23.1
    • openssh-askpass-gnome-7.6p1-9.23.1
  • Server Applications Module 15 (aarch64 ppc64le s390x x86_64)
    • openssh-fips-7.6p1-9.23.1
    • openssh-debuginfo-7.6p1-9.23.1
    • openssh-debugsource-7.6p1-9.23.1

References: