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Ubuntu 20.04 LTS: USN-4452-1 Critical Libvirt Local Privilege Escalation

ubuntu
Calendar Grey August 4, 2020
Dist Ubuntu Esm H88
A recent Libvirt security flaw enables local users to gain elevated privileges on Ubuntu 20.04 LTS. Please update your system promptly to protect against potential threats.
libvirt could be made to run programs as an administrator.

Summary

libvirt could be made to run programs as an administrator.

Software Description:

- libvirt: Libvirt virtualization toolkit

Details:

Trent Shea discovered that the libvirt package set incorrect permissions on

the UNIX domain socket. A local attacker could use this issue to access

libvirt and escalate privileges.

Topics%20covered

Topics Covered

security advisory privilege escalation Ubuntu local attack libvirt

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  libvirt-daemon                  6.0.0-0ubuntu8.3
  libvirt-daemon-system           6.0.0-0ubuntu8.3
  libvirt0                        6.0.0-0ubuntu8.3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4452-1

CVE-2020-15708

Severity
critical
Lowest
Low
Medium
High
Critical

August 04, 2020

Topics%20covered

Topics Covered

security advisory privilege escalation Ubuntu local attack libvirt

Package Information

https://launchpad.net/ubuntu/+source/libvirt/6.0.0-0ubuntu8.3

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