Security update for permissions

Announcement ID: SUSE-SU-2019:3181-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-3688 ( SUSE ): 5.1 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  • CVE-2019-3688 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
  • CVE-2019-3690 ( SUSE ): 6.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
  • CVE-2019-3690 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • Basesystem Module 15-SP1
  • SUSE Linux Enterprise Desktop 15 SP1
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise Real Time 15 SP1
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Manager Proxy 4.0
  • SUSE Manager Retail Branch Server 4.0
  • SUSE Manager Server 4.0

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

Description:

This update for permissions fixes the following issues:

  • 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).
  • Fixed a regression which caused sagmentation fault (bsc#1157198).

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-SP1
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-3181=1

Package List:

  • Basesystem Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • permissions-debuginfo-20181116-9.12.1
    • permissions-debugsource-20181116-9.12.1
    • permissions-20181116-9.12.1
  • Basesystem Module 15-SP1 (noarch)
    • permissions-zypp-plugin-20181116-9.12.1

References: