CVE-2018-6764

Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 23 Feb 2018, 17:00
Last modified:05 Aug 2024, 06:10

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.0 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Feb 2018, 17:00
Published
Vulnerability first disclosed
05 Aug 2024, 06:10
Last Modified
Vulnerability information updated

Description

util/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.

CVSS Metrics

  • v3.0•HIGH•Score: 7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.04%• Percentile: 11%

Techniques & Countermeasures

  • CWE-346•Origin Validation Error

    The product does not properly verify that the source of data or communication is valid.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 17.10

  • debian•debian_linux

    8.0 | 9.0

  • redhat•enterprise_linux_desktop

    7.0

  • redhat•enterprise_linux_server

    7.0

  • redhat•enterprise_linux_workstation

    7.0

  • redhat•libvirt

    na

  • redhat•virtualization

    4.0

References (4)