Description:

Red Hat has released security updates to address multiple vulnerabilities in the following products:

• tigervnc
  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
• thunderbird
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.0 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0 x86_64
  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
• kernel-alt
  • Red Hat Enterprise Linux for ARM 64 7 aarch64
  • Red Hat Enterprise Linux for Power 9 7 ppc64le
  • Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x
• chromium-browser
  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• ipmitool
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.5 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 s390x
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 ppc64
  • Red Hat Enterprise Linux EUS Compute Node 7.5 x86_64
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
• Red Hat JBoss Enterprise Application Platform
  • JBoss Enterprise Application Platform Text-Only Advisories x86_64
• Red Hat CodeReady Workspaces 2.1.0 release
  • Red Hat Developer Tools (for RHEL Server) 1 x86_64

Threats:

An attacker could exploit these vulnerabilities by doing the following:

• Executing arbitrary code
• Heap buffer overflow
• Stack buffer overflow
• Buffer overflow
• Denial of Service (DoS)
• Bypass security restrictions

Best practice and Recommendations:

The CERT team encourages users to review Red Hat security advisory and apply the necessary updates:

• https://access.redhat.com/errata/RHSA-2020:1497
• https://access.redhat.com/errata/RHSA-2020:1496
• https://access.redhat.com/errata/RHSA-2020:1495
• https://access.redhat.com/errata/RHSA-2020:1493
• https://access.redhat.com/errata/RHSA-2020:1489
• https://access.redhat.com/errata/RHSA-2020:1488
• https://access.redhat.com/errata/RHSA-2020:1487
• https://access.redhat.com/errata/RHSA-2020:1486
• https://access.redhat.com/errata/RHSA-2020:1479
• https://access.redhat.com/errata/RHSA-2020:1478
• https://access.redhat.com/errata/RHSA-2020:1475