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Ubuntu Updates

2169
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

Warning Date

Severity Level

Warning Number

Target Sector

21 February, 2021

● Medium

2021-2500

All

Description:

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

  • Bind
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS
  • OpenSSL
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS
  • WebKitGTK
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
  • Apache Shiro
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
  • Jackson
    • Ubuntu 16.04 LTS

Threats:

Attacker could exploit these vulnerabilities by doing the following:

  • Denial of service (DoS)
  • Bypass authentication mechanisms
  • Execute arbitrary code

Best practice and Recommendations:

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

Last updated at 21 February, 2021

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