9.8crit

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…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.7%
percentile 90%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

3.65% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

References

  • bugzilla.redhat.com /show_bug.cgi?id=1180092 · x_refsource_CONFIRM, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363 · vendor-advisory, x_refsource_FEDORA, x_transferred
  • debian.org /security/2016/dsa-3613 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/91562 · vdb-entry, x_refsource_BID, x_transferred
  • security.libvirt.org /2016/0001.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-07/msg00055.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-08/msg00024.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-07/msg00054.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2577.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • usn.ubuntu.com /3576-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.