Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-090)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Virtuozzo host is missing a security update.

Description :

According to the version of the parallels-server-bm-release /
vzkernel / etc packages installed, the Virtuozzo installation on the
remote host is affected by the following vulnerability :

- A flaw was found in the way the Linux kernel loaded ELF
executables. Provided that an application was built as
Position Independent Executable (PIE), the loader could
allow part of that application's data segment to map
over the memory area reserved for its stack,
potentially resulting in memory corruption. An
unprivileged local user with access to SUID (or
otherwise privileged) PIE binary could use this flaw to
escalate their privileges on the system.

Note that Tenable Network Security has extracted the preceding
description block directly from the Virtuozzo security advisory.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues.

See also :

https://help.virtuozzo.com/customer/portal/articles/2882057

Solution :

Update the affected parallels-server-bm-release / vzkernel / etc package.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Virtuozzo Local Security Checks

Nessus Plugin ID: 103571 ()

Bugtraq ID:

CVE ID: CVE-2017-1000253

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