Home/CVE/libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string,
CVE

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,

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.

CRITICAL · CVSS 9.8 EPSS 0.02119
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

2
redhat libvirt<= 1.3.5
debian linuxall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jul 2016 · 03:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2018:2141-1
usnUSN-3576-1
suse-csafSUSE-SU-2016:2053-1
suse-csafSUSE-SU-2016:1944-1
rhsaRHSA-2016:2577Moderate
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html
http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html
http://rhn.redhat.com/errata/RHSA-2016-2577.html
http://security.libvirt.org/2016/0001.htmlVendor Advisory
http://www.debian.org/security/2016/dsa-3613
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