HIGH8.6
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.
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:P/A:NCVSS 3.xHIGH 8.6
CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:NReferences
- http://www.openwall.com/lists/oss-security/2014/12/15/5
- http://www.openwall.com/lists/oss-security/2015/09/03/5
- http://www.securityfocus.com/bid/95404
- https://github.com/lxc/lxc/commit/e986ea3dfa4a2957f71ae9bfaed406dd6e1ffff6
- https://security.gentoo.org/glsa/201711-09
- http://www.openwall.com/lists/oss-security/2014/12/15/5
- http://www.openwall.com/lists/oss-security/2015/09/03/5
- http://www.securityfocus.com/bid/95404
- https://github.com/lxc/lxc/commit/e986ea3dfa4a2957f71ae9bfaed406dd6e1ffff6
- https://security.gentoo.org/glsa/201711-09