Critical severity · published Jul 13, 2016
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…
9.8
CVSS
3.7%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LI
Libvirt · Redhat
through 1.3.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5008
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5008
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2577.html
Vendor Advisory
http://security.libvirt.org/2016/0001.html
www.debian.org
http://www.debian.org/security/2016/dsa-3613
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