Security update for permissions

SUSE Security Update: Security update for permissions
Announcement ID: SUSE-SU-2020:0547-1
Rating: moderate
References: #1148788 #1160594 #1160764 #1161779 #1163922
Cross-References:CVE-2019-3687 CVE-2020-8013
Affected Products:
  • SUSE Linux Enterprise Module for Basesystem 15-SP1

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-2019-3687: 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 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 Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-547=1

Package List:

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

References: