CVE-2015-6927

Public Exploit

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.

Category

3.6
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://openvz.org/Download/vzctl/4.9.4 patch
https://security.gentoo.org/glsa/201701-30 vendor advisory
http://www.debian.org/security/2015/dsa-3357 vendor advisory
https://src.openvz.org/projects/OVZL/repos/vzctl/commits/9e98ea630ac0e88b44e3e23c878a5166aeb74e1c exploit

Frequently Asked Questions

What is the severity of CVE-2015-6927?
CVE-2015-6927 has been scored as a low severity vulnerability.
How to fix CVE-2015-6927?
To fix CVE-2015-6927, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-6927 being actively exploited in the wild?
It is possible that CVE-2015-6927 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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