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CVE-2015-3629

Published: 18 May 2015

Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
docker.io
Launchpad, Ubuntu, Debian
precise Does not exist

trusty
Released (1.6.2~dfsg1-1ubuntu4~14.04.1)
upstream
Released (1.6.1)
utopic Ignored
(end of life)
vivid Ignored
(end of life)
wily Ignored
(end of life)
xenial
Released (1.6.2~dfsg1-1ubuntu4)
yakkety Ignored
(end of life)
zesty Not vulnerable
(1.10.3-0ubuntu6)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H