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Ubuntu 21.04 USN-4980-1: PolicyKit Privilege Escalation Vulnerability

ubuntu
Calendar Grey June 3, 2021
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-4981-1 addresses a critical vulnerability in the OpenSSH protocol that could allow unauthorized access to secure shell sessions.
The system could be made to run programs as an administrator.

Summary

Topics%20covered

Topics Covered

security advisory Ubuntu risk escalation policykit privilege administrative

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: libpolkit-agent-1-0 0.105-30ubuntu0.1 libpolkit-gobject-1-0 0.105-30ubuntu0.1 policykit-1 0.105-30ubuntu0.1 Ubuntu 20.10: libpolkit-agent-1-0 0.105-29ubuntu0.1 libpolkit-gobject-1-0 0.105-29ubuntu0.1 policykit-1 0.105-29ubuntu0.1 Ubuntu 20.04 LTS: libpolkit-agent-1-0 0.105-26ubuntu1.1 libpolkit-gobject-1-0 0.105-26ubuntu1.1 policykit-1 0.105-26ubuntu1.1 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4980-1

CVE-2021-3560

Severity
important
Lowest
Low
Medium
High
Critical

June 03, 2021

Topics%20covered

Topics Covered

security advisory Ubuntu risk escalation policykit privilege administrative

Package Information

https://launchpad.net/ubuntu/+source/policykit-1/0.105-30ubuntu0.1 https://launchpad.net/ubuntu/+source/policykit-1/0.105-29ubuntu0.1 https://launchpad.net/ubuntu/+source/policykit-1/0.105-26ubuntu1.1

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