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AUSCERT External Security Bulletin Redistribution
ESB-2020.2674
USN-4452-1: libvirt vulnerability
5 August 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: libvirt
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15708
Original Bulletin:
https://usn.ubuntu.com/4452-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running libvirt check for an updated version of the software for
their operating system.
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USN-4452-1: libvirt vulnerability
04 August 2020
libvirt could be made to run programs as an administrator.
Releases
o Ubuntu 20.04 LTS
Packages
o 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.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libvirt-daemon - 6.0.0-0ubuntu8.3
o libvirt-daemon-system - 6.0.0-0ubuntu8.3
o libvirt0 - 6.0.0-0ubuntu8.3
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
o CVE-2020-15708
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