Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | - |
| Debian | Debian Linux | 8.0 |
| Redhat | Virtualization | 4.0 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.ubuntu.com/usn/USN-3576-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3113Third Party Advisory
- https://www.debian.org/security/2018/dsa-4137Third Party Advisory
- https://www.redhat.com/archives/libvir-list/2018-February/msg00239.htmlPatchThird Party Advisory
- http://www.ubuntu.com/usn/USN-3576-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3113Third Party Advisory
- https://www.debian.org/security/2018/dsa-4137Third Party Advisory
- https://www.redhat.com/archives/libvir-list/2018-February/msg00239.htmlPatchThird Party Advisory
FAQ
What is CVE-2018-6764?
CVE-2018-6764 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2018-6764?
CVE-2018-6764 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-6764?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Libvirt, Debian Debian Linux, Redhat Virtualization, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server.