CVE-2018-6764
Published: 7 February 2018
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.
Notes
| Author | Note |
|---|---|
| mdeslaur | introduced by https://libvirt.org/git/?p=libvirt.git;a=commit;h=1ce929603ba8ebc3b0dc4ff39df9619c87723f42 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libvirt Launchpad, Ubuntu, Debian |
artful |
Released
(3.6.0-1ubuntu6.3)
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(1.3.1-1ubuntu10.19)
|
|
|
Patches: upstream: https://libvirt.org/git/?p=libvirt.git;a=commit;h=759b4d1b0fe5f4d84d98b99153dfa7ac289dd167 upstream: https://libvirt.org/git/?p=libvirt.git;a=commit;h=6ce3acc129bfdbe7fd02bcb8bbe8af6d13903684 upstream: https://libvirt.org/git/?p=libvirt.git;a=commit;h=c2dc6698c88fb591639e542c8ecb0076c54f3dfb |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |