CVE-2014-3519 - Improper Access Control

Severity

49%

Complexity

39%

Confidentiality

115%

The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel 2.6.32, when using simfs, might allow local container users with CAP_DAC_READ_SEARCH capability to bypass an intended container protection mechanism and access arbitrary files on a filesystem via vectors related to use of the file_handle structure.

The open_by_handle_at function in vzkernel before 042stab090.5 in the OpenVZ modification for the Linux kernel 2.6.32, when using simfs, might allow local container users with CAP_DAC_READ_SEARCH capability to bypass an intended container protection mechanism and access arbitrary files on a filesystem via vectors related to use of the file_handle structure.

CVSS 3.0 Base Score 6.5. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:N/A:N).

Overview

First reported 7 years ago

2018-02-01 17:29:00

Last updated 6 years ago

2018-02-27 18:37:00

Affected Software

OpenVZ VZKernel 2.6.32

2.6.32

References

[oss-security] 20140624 OpenVZ simfs container filesystem breakout

Mailing List, Mitigation, Third Party Advisory

68171

Third Party Advisory, VDB Entry

https://help.virtuozzo.com/customer/en/portal/articles/2522783-parallels-cloud-server-6-0-update-6-hotfix-8-6-0-6-2004-

Release Notes, Vendor Advisory

https://help.virtuozzo.com/customer/en/portal/articles/2563842-cu-2-6-32-042stab090-5-parallels-virtuozzo-containers-4-7-core-update

Release Notes, Vendor Advisory

https://help.virtuozzo.com/customer/en/portal/articles/2563843-cu-2-6-32-042stab090-5-parallels-server-bare-metal-5-0-core-update

Release Notes, Vendor Advisory

https://openvz.org/Download/kernel/rhel6/042stab090.5

Patch, Release Notes, Vendor Advisory

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