Description:

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

• Red Hat Enterprise Linux for x86_64 8 x86_64
  • firefox
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • firefox
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • firefox
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
  • firefox
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • firefox
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • firefox
• Red Hat Enterprise Linux for ARM 64 8 aarch64
  • firefox
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
  • firefox
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
  • firefox
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
  • firefox
• Red Hat Enterprise Linux Server 6 x86_64
  • flash-plugin
  • chromium-browser
  • ksh
  • firefox
• Red Hat Enterprise Linux Server 6 i386
  • flash-plugin
  • chromium-browser
  • ksh
  • firefox
• Red Hat Enterprise Linux Workstation 6 x86_64
  • flash-plugin
  • chromium-browser
  • ksh
  • firefox
• Red Hat Enterprise Linux Workstation 6 i386
  • flash-plugin
  • chromium-browser
  • ksh
  • firefox
• Red Hat Enterprise Linux Desktop 6 x86_64
  • flash-plugin
  • chromium-browser
  • ksh
  • firefox
• Red Hat Enterprise Linux Desktop 6 i386
  • flash-plugin
  • chromium-browser
  • ksh
  • firefox
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • chromium-browser
  • firefox
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • ksh
  • firefox
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Ksh
  • firefox
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.0 ppc64le
  • firefox
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0 x86_64
  • firefox
• Red Hat Enterprise Linux Server 7 x86_64
  • firefox
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
  • firefox
• Red Hat Enterprise Linux Server - AUS 7.7 x86_64
  • firefox
• Red Hat Enterprise Linux Workstation 7 x86_64
  • firefox
• Red Hat Enterprise Linux Desktop 7 x86_64
  • firefox
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • firefox
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.7 s390x
  • firefox
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • firefox
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.7 ppc64
  • firefox
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • firefox
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
  • firefox
• Red Hat Enterprise Linux Server - TUS 7.7 x86_64
  • firefox
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le
  • firefox
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.7 x86_64
  • firefox

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Denial of service attack (DoS).
• Code injection.
• Arbitrary Code Execution.

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-2020:0512
• https://access.redhat.com/errata/RHSA-2020:0513
• https://access.redhat.com/errata/RHSA-2020:0514
• https://access.redhat.com/errata/RHSA-2020:0515
• https://access.redhat.com/errata/RHSA-2020:0519
• https://access.redhat.com/errata/RHSA-2020:0521
• https://access.redhat.com/errata/RHSA-2020:0520