Published: 28/09/2015 Updated: 01/07/2017

CVSS v2 Base Score: 3.6 | Impact Score: 4.9 | Exploitability Score: 3.9

VMScore: 320

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

vzctl prior to 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.

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openvz vzctl

It was discovered that vzctl, a set of control tools for the OpenVZ server virtualisation solution, determined the storage layout of containers based on the presence of an XML file inside the container An attacker with local root privileges in a simfs-based container could gain control over ploop-based containers Further information on the prereq ...

CWE-59 https://src.openvz.org/projects/OVZL/repos/vzctl/commits/9e98ea630ac0e88b44e3e23c878a5166aeb74e1c http://www.debian.org/security/2015/dsa-3357 https://openvz.org/Download/vzctl/4.9.4 https://security.gentoo.org/glsa/201701-30 https://nvd.nist.gov https://www.debian.org/security/./dsa-3357

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CVE-2015-6927

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