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CVE-2015-6927

Published: 28 September 2015

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.

Priority

Low

Status

Package Release Status
vzctl
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(4.9.4-1)
cosmic Not vulnerable
(4.9.4-1)
disco Not vulnerable
(4.9.4-1)
precise Not vulnerable

trusty Does not exist
(trusty was needed)
upstream
Released (4.9.4-1)
vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial Not vulnerable
(4.9.4-1)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: https://src.openvz.org/projects/OVZL/repos/vzctl/commits/9e98ea630ac0e88b44e3e23c878a5166aeb74e1c