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Red Hat Updates

1900
Classification
These posts contain security alerts, including digital loopholes, electronic attacks, technical updates, and they are classified base on the level of severity.

● Critical

● High

● Medium

● Low

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حملات تصيدية تستهدف مايكروسوفت تيمز (Microsoft Teams)

● High

Warning Date

Severity Level

Warning Number

Target Sector

21 December, 2021

● High

2021-4107

All

Description:

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

  • log4j
    • Red Hat Enterprise Linux Server 7 x86_64
    • Red Hat Enterprise Linux Server - AUS 7.7 x86_64
    • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
    • Red Hat Enterprise Linux Server - AUS 7.4 x86_64
    • Red Hat Enterprise Linux Server - AUS 7.3 x86_64
    • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
    • Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
    • Red Hat Enterprise Linux Workstation 7 x86_64
    • Red Hat Enterprise Linux Desktop 7 x86_64
    • Red Hat Enterprise Linux for IBM z Systems 7 s390x
    • Red Hat Enterprise Linux for Power, big endian 7 ppc64
    • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
    • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
    • Red Hat Enterprise Linux Server - TUS 7.7 x86_64
    • Red Hat Enterprise Linux Server - TUS 7.6 x86_64
    • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x
    • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.7 ppc64le
    • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
    • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.7 x86_64
    • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
  • Red Hat Single Sign-On 7.5.0
    • Red Hat Single Sign-On Text-Only Advisories x86_64
    • Red Hat Single Sign-On 7.5 for RHEL 7 x86_64
  • Red Hat Single Sign-On
    • Red Hat Single Sign-On 7.5 for RHEL 8 x86_64

Threats:

  • Incorrect authorization allows unprivileged users to create other users
  • An attacker could exploit this vulnerability by executing arbitrary code

Best practice and Recommendations:

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

Last updated at 21 December, 2021

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