Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openvz | Vzctl | <= 4.9.3 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2015/dsa-3357
- https://openvz.org/Download/vzctl/4.9.4Patch
- https://security.gentoo.org/glsa/201701-30
- https://src.openvz.org/projects/OVZL/repos/vzctl/commits/9e98ea630ac0e88b44e3e23Exploit
- http://www.debian.org/security/2015/dsa-3357
- https://openvz.org/Download/vzctl/4.9.4Patch
- https://security.gentoo.org/glsa/201701-30
- https://src.openvz.org/projects/OVZL/repos/vzctl/commits/9e98ea630ac0e88b44e3e23Exploit
FAQ
What is CVE-2015-6927?
CVE-2015-6927 is a vulnerability with a CVSS score of 3.6 (LOW). 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 t...
How severe is CVE-2015-6927?
CVE-2015-6927 has been rated LOW with a CVSS base score of 3.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-6927?
Check the references section above for vendor advisories and patch information. Affected products include: Openvz Vzctl.