CVE-2015-6927

high

Description

vzctl before 4.9.4 determines the virtual environment (VE) layout based on the presence of root.hdd/DiskDescriptor.xml in the VE private directory, which allows local simfs container (CT) root users to change the root password for arbitrary ploop containers, as demonstrated by a symlink attack on the ploop container root.hdd file and then access a control panel.

References

https://security.gentoo.org/glsa/201701-30

https://openvz.org/Download/vzctl/4.9.4

http://www.debian.org/security/2015/dsa-3357

Details

Source: Mitre, NVD

Published: 2015-09-28

Updated: 2017-07-01

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 7.8

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

Severity: High