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cve[email protected]CVE-2018-6764
HistoryFeb 23, 2018 - 5:29 p.m.

CVE-2018-6764

2018-02-2317:29:00
CWE-346
web.nvd.nist.gov
94
libvirt
cve-2018-6764
arbitrary command execution
nss module
security vulnerability

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.1%

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.

Affected configurations

NVD
Node
redhatlibvirtMatch-
Node
debiandebian_linuxMatch8.0
OR
debiandebian_linuxMatch9.0
Node
redhatvirtualizationMatch4.0
OR
redhatenterprise_linux_desktopMatch7.0
OR
redhatenterprise_linux_serverMatch7.0
OR
redhatenterprise_linux_workstationMatch7.0
Node
canonicalubuntu_linuxMatch14.04lts
OR
canonicalubuntu_linuxMatch16.04lts
OR
canonicalubuntu_linuxMatch17.10
CPENameOperatorVersion
redhat:libvirtredhat libvirteq-

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.1%