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 session by connecting to the server.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 4.3 MEDIUM

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://security.libvirt.org/2016/0001.html	Vendor Advisory
http://www.debian.org/security/2016/dsa-3613
https://bugzilla.redhat.com/show_bug.cgi?id=1180092
http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html
http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html
http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html
http://www.securityfocus.com/bid/91562
http://rhn.redhat.com/errata/RHSA-2016-2577.html
https://usn.ubuntu.com/3576-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/

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Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Information

Published : 2016-07-13 08:59

Updated : 2023-02-12 15:22

NVD link : CVE-2016-5008

Mitre link : CVE-2016-5008

JSON object : View

CWE

CWE-284

Improper Access Control

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Products Affected

debian

debian_linux

redhat

libvirt

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