Improper Access Control Affecting lxc package, versions <1:2.0.0-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LXC-385885
  • published9 Jan 2017
  • disclosed9 Jan 2017

Introduced: 9 Jan 2017

CVE-2016-10124  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Debian:unstable lxc to version 1:2.0.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lxc package and not the lxc package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

An issue was discovered in Linux Containers (LXC) before 2016-02-22. When executing a program via lxc-attach, the nonpriv session can escape to the parent session by using the TIOCSTI ioctl to push characters into the terminal's input buffer, allowing an attacker to escape the container.