Security update for openssh

SUSE Security Update: Security update for openssh
Announcement ID: SUSE-SU-2019:13931-1
Rating: important
References: #1121571 #1121816 #1121818 #1121821
Cross-References: CVE-2018-20685 CVE-2019-6109 CVE-2019-6110 CVE-2019-6111
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP4

An update that fixes four vulnerabilities is now available.

Description:

This update for openssh fixes the following issues:
Security issue fixed:

  • CVE-2018-20685: Fixed an issue where scp client allows remote SSH servers to bypass intended access restrictions (bsc#1121571)
  • CVE-2019-6109: Fixed an issue where the scp client would allow malicious remote SSH servers to manipulate terminal output via the object name, e.g. by inserting ANSI escape sequences (bsc#1121816)
  • CVE-2019-6110: Fixed an issue where the scp client would allow malicious remote SSH servers to manipulate stderr output, e.g. by inserting ANSI escape sequences (bsc#1121818)
  • CVE-2019-6111: Fixed an issue where the scp client would allow malicious remote SSH servers to execute directory traversal attacks and overwrite files (bsc#1121821)

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 Linux Enterprise Server 11-SP4:
    zypper in -t patch slessp4-openssh-13931=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-openssh-13931=1

Package List:

  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • openssh-6.6p1-36.12.1
    • openssh-askpass-gnome-6.6p1-36.12.1
    • openssh-fips-6.6p1-36.12.1
    • openssh-helpers-6.6p1-36.12.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • openssh-askpass-gnome-debuginfo-6.6p1-36.12.1
    • openssh-debuginfo-6.6p1-36.12.1
    • openssh-debugsource-6.6p1-36.12.1

References: