Security Warnings

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

● Critical

● High

● Medium

● Low

Most Viewed Warnings

● High

Zoom Update

● Critical

Security issues in the Mail App on iPhone and iPad

● Critical

Cisco’s Webex Phishing Campaigns

● Critical

Microsoft Updates

● High

Apple Updates

● Critical

Ubuntu Updates

140

Warning Date: 14 January, 2021

Severity Level ● Medium

Warning Number: 2021-2322

Target Sector: All

Description:

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

  • xdg-utils
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS
  • Open vSwitch
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS
  • tar
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS
    • Ubuntu 14.04 ESM
    • Ubuntu 12.04 ESM
  • containerd
    • Ubuntu 20.10
    • Ubuntu 20.04 LTS
    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS

Threats:

Attacker could exploit these vulnerabilities by doing the following:

  • Denial of service (DoS)
  • Sensitive information disclosure
  • 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 14 January, 2021