Security update for permissions

Announcement ID: SUSE-SU-2020:0547-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2019-3687 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2019-3687 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • CVE-2020-8013 ( SUSE ): 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
  • CVE-2020-8013 ( NVD ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
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 three security fixes can now be installed.

Description:

This update for permissions fixes the following issues:

Security issues fixed:

  • CVE-2019-3687: Fixed a privilege escalation which could allow a local user to read network traffic if wireshark is installed (bsc#1148788)
  • CVE-2020-8013: Fixed an issue where chkstat set unintended setuid/capabilities for mrsh and wodim (bsc#1163922).

Non-security issues fixed:

  • Fixed a regression where chkstat breaks without /proc available (bsc#1160764, bsc#1160594).
  • Fixed capability handling when doing multiple permission changes at once (bsc#1161779).

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-SP1-2020-547=1

Package List:

  • Basesystem Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • permissions-20181116-9.23.1
    • permissions-debuginfo-20181116-9.23.1
    • permissions-debugsource-20181116-9.23.1
  • Basesystem Module 15-SP1 (noarch)
    • permissions-zypp-plugin-20181116-9.23.1

References: