CRITICAL · 9.8

CVE-2016-5008

libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC sessi...

Vulnerability Description

libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
RedhatLibvirt<= 1.3.5
DebianDebian Linux8.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2016-5008?

CVE-2016-5008 is a vulnerability with a CVSS score of 9.8 (CRITICAL). libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC sessi...

How severe is CVE-2016-5008?

CVE-2016-5008 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-5008?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Libvirt, Debian Debian Linux.