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
  • sudo
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • sudo
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • sudo
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
  • sudo
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • sudo
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • sudo
• Red Hat Enterprise Linux for ARM 64 8 aarch64
  • sudo
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
  • sudo
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
  • sudo
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
  • sudo
• Red Hat JBoss Middleware Text-Only Advisories for MIDDLEWARE 1 x86_64
  • AMQ Online
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.0 ppc64le
  • sudo
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0 x86_64
  • sudo
• Red Hat Virtualization Manager 4.3 x86_64

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Denial of service attack (DoS).
• Buffer overflow.

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-2020:0487
• https://access.redhat.com/errata/RHSA-2020:0497
• https://access.redhat.com/errata/RHSA-2020:0498
• https://access.redhat.com/errata/RHSA-2020:0509