Vulnerability CVE-2018-6764
Published: 2018-02-23

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.

Type:

CWE-346

 (Origin Validation Error)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Libvirt 
Redhat -> Virtualization 
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://www.ubuntu.com/usn/USN-3576-1
https://access.redhat.com/errata/RHSA-2018:3113
https://www.debian.org/security/2018/dsa-4137
https://www.redhat.com/archives/libvir-list/2018-February/msg00239.html
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