Current 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.
Source:
MITRE
Description Last Modified:
02/23/2018
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
02/23/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.8 HIGH
Vector:
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.6 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
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Change History
2 change records found
- show changes
Initial Analysis -
3/18/2018 7:03:10 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:redhat:libvirt:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-284 |
| Changed |
Reference Type |
http://www.ubuntu.com/usn/USN-3576-1 No Types Assigned |
http://www.ubuntu.com/usn/USN-3576-1 Broken Link |
| Changed |
Reference Type |
https://www.debian.org/security/2018/dsa-4137 No Types Assigned |
https://www.debian.org/security/2018/dsa-4137 Third Party Advisory |
| Changed |
Reference Type |
https://www.redhat.com/archives/libvir-list/2018-February/msg00239.html No Types Assigned |
https://www.redhat.com/archives/libvir-list/2018-February/msg00239.html Patch, Third Party Advisory |
CVE Modified by MITRE -
3/15/2018 9:29:21 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://www.debian.org/security/2018/dsa-4137 [No Types Assigned] |