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CVE-2016-3697

Published: 1 June 2016

libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID as a potential username, which allows local users to gain privileges via a numeric username in the password file in a container.

Notes

AuthorNote
leosilva
debian claims that the code is not present in docker.io.
in all the case runc is not affected anyway.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

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

trusty Does not exist
(trusty was not-affected)
upstream Needs triage

wily Ignored
(end of life)
xenial Not vulnerable

yakkety Ignored
(end of life)
zesty Not vulnerable

runc
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (0.1.0+dfsg-1)
wily Does not exist

xenial Not vulnerable
(1.0.0~rc2+docker1.12.6-0ubuntu1~16.04.1)
yakkety Ignored
(end of life)
zesty
Released (1.0.0~rc2+docker1.12.6-0ubuntu1)

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