Detections
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GLSA-201711-09 : LXC: Remote security bypass

high Nessus Plugin ID 104517

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201711-09 (LXC: Remote security bypass)

 Previous versions of lxc-attach ran a shell or the specified command without allocating a pseudo terminal making it vulnerable to input faking via a TIOCSTI ioctl call.
 Impact :

 Remote attackers can escape the container and perform unauthorized modifications.
 Workaround :

 There is no know workaround at this time.

Solution

All LXC users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/lxc-2.0.7'

See Also

https://security.gentoo.org/glsa/201711-09

Plugin Details

Severity: High

ID: 104517

File Name: gentoo_GLSA-201711-09.nasl

Version: 3.4

Type: local

Published: 11/13/2017

Updated: 11/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2016-10124

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:lxc

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2017

Reference Information

CVE: CVE-2016-10124

GLSA: 201711-09