Ubuntu.comUB:CVE-2016-5008CVE-2016-5008
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.027 Low
EPSS
Percentile
90.5%
libvirt before 2.0.0 improperly disables password checking when the
password on a VNC server is set to an empty string, which allows remote
attackers to bypass authentication and establish a VNC session by
connecting to the server.
Notes
| Author | Note |
|---|---|
| mdeslaur | vnc password authentication isn’t strong and isn’t recommended so setting priority to low to bundle with another update |
| leosilva | this CVE was original patched in unstable 2.0.0-1. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 17.10 | noarch | libvirt | < 2.1.0-1ubuntu1 | UNKNOWN |
| ubuntu | 18.04 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 18.10 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 19.04 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 19.10 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 20.04 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 20.10 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 21.04 | noarch | libvirt | < 2.1.0-1.ubuntu1 | UNKNOWN |
| ubuntu | 14.04 | noarch | libvirt | < 1.2.2-0ubuntu13.1.26 | UNKNOWN |
| ubuntu | 16.04 | noarch | libvirt | < 1.3.1-1ubuntu10.19 | UNKNOWN |
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.027 Low
EPSS
Percentile
90.5%