Description:

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

• Red Hat Enterprise Linux Server 7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Server - AUS 7.7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Workstation 7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Desktop 7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Server - TUS 7.7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.7 x86_64
  • Thunderbird
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux EUS Compute Node 7.7 x86_64
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.7 ppc64
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.7 s390x
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • java-11-openjdk
  • git
• Red Hat Enterprise Linux Server 6 x86_64
  • thunderbird
• Red Hat Enterprise Linux Server 6 i386
  • thunderbird
• Red Hat Enterprise Linux Workstation 6 x86_64
  • thunderbird
• Red Hat Enterprise Linux Workstation 6 i386
  • thunderbird
• Red Hat Enterprise Linux Desktop 6 x86_64
  • thunderbird
• Red Hat Enterprise Linux Desktop 6 i386
  • thunderbird
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • thunderbird
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • thunderbird
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • git
• Red Hat Enterprise Linux for x86_64 8 x86_64
  • Thunderbird
  • java-11-openjdk
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • Thunderbird
  • java-11-openjdk
  • .NET Core
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Thunderbird
  • java-11-openjdk
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • Thunderbird
  • java-11-openjdk
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
  • Thunderbird
  • java-11-openjdk
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
  • Thunderbird
  • java-11-openjdk
  • .NET Core
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • java-11-openjdk
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
  • java-11-openjdk
• Red Hat Enterprise Linux for ARM 64 8 aarch64
  • java-11-openjdk
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
  • java-11-openjdk
• Red Hat Enterprise Linux for x86_64 8 x86_64
  • .NET Core
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
  • .NET Core
• Red Hat JBoss Middleware Text-Only Advisories for MIDDLEWARE 1 x86_64
  • Red Hat Process Automation Manager 7.6.0
• dotNET on RHEL (for RHEL Server) 1 x86_64
  • .NET Core
• dotNET on RHEL (for RHEL Workstation) 1 x86_64
  • .NET Core
• dotNET on RHEL (for RHEL Compute Node) 1 x86_64
  • .NET Core

Threats:

Attacker could exploit these vulnerabilities by doing the following:

• Denial of service (DoS) attack.
• Memory corruption.
• Cross-site scripting (XSS) attack.
• Remote 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-2020:0120

https://access.redhat.com/errata/RHSA-2020:0122

https://access.redhat.com/errata/RHSA-2020:0123

https://access.redhat.com/errata/RHSA-2020:0124

https://access.redhat.com/errata/RHSA-2020:0127

https://access.redhat.com/errata/RHSA-2020:0128

https://access.redhat.com/errata/RHSA-2020:0130

https://access.redhat.com/errata/RHSA-2020:0132

https://access.redhat.com/errata/RHSA-2020:0133

https://access.redhat.com/errata/RHSA-2020:0134