Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title libvirt vulnerabilities
Informations
Name USN-4021-1 First vendor Publication 2019-06-19
Vendor Ubuntu Last vendor Modification 2019-06-19
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
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Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.10

Summary:

Several security issues were fixed in libvirt.

Software Description: - libvirt: Libvirt virtualization toolkit

Details:

Daniel P. Berrangé discovered that libvirt incorrectly handled socket permissions. A local attacker could possibly use this issue to access libvirt. (CVE-2019-10132)

It was discovered that libvirt incorrectly performed certain permission checks. A remote attacker could possibly use this issue to access the guest agent and cause a denial of service. This issue only affected Ubuntu 19.04. (CVE-2019-3886)

Update instructions:

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

Ubuntu 19.04:
libvirt-clients 5.0.0-1ubuntu2.3
libvirt-daemon 5.0.0-1ubuntu2.3
libvirt0 5.0.0-1ubuntu2.3

Ubuntu 18.10:
libvirt-clients 4.6.0-2ubuntu3.7
libvirt-daemon 4.6.0-2ubuntu3.7
libvirt0 4.6.0-2ubuntu3.7

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

References:
https://usn.ubuntu.com/4021-1
CVE-2019-10132, CVE-2019-3886

Package Information:
https://launchpad.net/ubuntu/+source/libvirt/5.0.0-1ubuntu2.3
https://launchpad.net/ubuntu/+source/libvirt/4.6.0-2ubuntu3.7

Original Source

Url : http://www.ubuntu.com/usn/USN-4021-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-732 Incorrect Permission Assignment for Critical Resource (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 239
Os 3
Os 1

Alert History

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0
Date Informations
2019-06-19 21:19:07
  • First insertion