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AUSCERT External Security Bulletin Redistribution
ESB-2019.2490
USN-4047-1: libvirt vulnerabilities
9 July 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: libvirt
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-10168 CVE-2019-10167 CVE-2019-10166
CVE-2019-10161
Reference: ESB-2019.2488
ESB-2019.2279
ESB-2019.2233
ESB-2019.2220
ESB-2019.2219
Original Bulletin:
https://usn.ubuntu.com/4047-1/
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USN-4047-1: libvirt vulnerabilities
8 July 2019
libvirt vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in libvirt.
Software Description
o libvirt - Libvirt virtualization toolkit
Details
Matthias Gerstner and JA!n Tomko discovered that libvirt incorrectly handled
certain API calls. An attacker could possibly use this issue to check for
arbitrary files, or execute arbitrary binaries. In the default installation,
attackers would be isolated by the libvirt AppArmor profile.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
libvirt-clients - 5.0.0-1ubuntu2.4
libvirt-daemon - 5.0.0-1ubuntu2.4
libvirt0 - 5.0.0-1ubuntu2.4
Ubuntu 18.10
libvirt-clients - 4.6.0-2ubuntu3.8
libvirt-daemon - 4.6.0-2ubuntu3.8
libvirt0 - 4.6.0-2ubuntu3.8
Ubuntu 18.04 LTS
libvirt-clients - 4.0.0-1ubuntu8.12
libvirt-daemon - 4.0.0-1ubuntu8.12
libvirt0 - 4.0.0-1ubuntu8.12
Ubuntu 16.04 LTS
libvirt-bin - 1.3.1-1ubuntu10.27
libvirt0 - 1.3.1-1ubuntu10.27
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
After a standard system update you need to reboot your computer to make all the
necessary changes.
References
o CVE-2019-10161
o CVE-2019-10166
o CVE-2019-10167
o CVE-2019-10168
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