Security update for permissions

SUSE Security Update: Security update for permissions
Announcement ID: SUSE-SU-2019:3183-1
Rating: moderate
References: #1047247 #1093414 #1097665 #1150734 #1157198
Cross-References: CVE-2019-3688 CVE-2019-3690
Affected Products:
  • SUSE Linux Enterprise Server 12-SP5
  • SUSE Linux Enterprise Server 12-SP4
  • SUSE Linux Enterprise Desktop 12-SP4

An update that solves two vulnerabilities and has three fixes is now available.

Description:

This update for permissions fixes the following issues:
Security issues fixed:

  • CVE-2019-3688: Changed wrong ownership in /usr/sbin/pinger to root:squid which could have allowed a squid user to gain persistence by changing the binary (bsc#1093414).
  • CVE-2019-3690: Fixed a privilege escalation through untrusted symbolic links (bsc#1150734).

Other issue addressed:
  • Corrected a badly constracted file which could have allowed treating of the shell environment as permissions files (bsc#1097665,bsc#1047247).
  • Fixed a regression which caused sagmentation fault (bsc#1157198).

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 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2019-3183=1
  • SUSE Linux Enterprise Server 12-SP4:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-3183=1
  • SUSE Linux Enterprise Desktop 12-SP4:
    zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-3183=1

Package List:

  • SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
    • permissions-20170707-3.14.1
    • permissions-debuginfo-20170707-3.14.1
    • permissions-debugsource-20170707-3.14.1
  • SUSE Linux Enterprise Server 12-SP4 (aarch64 ppc64le s390x x86_64):
    • permissions-20170707-3.14.1
    • permissions-debuginfo-20170707-3.14.1
    • permissions-debugsource-20170707-3.14.1
  • SUSE Linux Enterprise Desktop 12-SP4 (x86_64):
    • permissions-20170707-3.14.1
    • permissions-debuginfo-20170707-3.14.1
    • permissions-debugsource-20170707-3.14.1

References: