CVE-2018-6764
UnknownEPSS 0.34%
Last modified
CVE-2018-6764 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | All versions |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| 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 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
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.htmlPatch, Third 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.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-6764?
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.
How severe is CVE-2018-6764?
Severity scoring for CVE-2018-6764 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6764?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
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Are you affected by CVE-2018-6764?
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Scan your code nowSource: NVD / NIST