Access Restriction Bypass Affecting runc package, versions <1.0.0~rc2+docker1.12.6-0ubuntu1


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-UBUNTU1704-RUNC-267401
  • published1 Jun 2016
  • disclosed1 Jun 2016

Introduced: 1 Jun 2016

CVE-2016-3697  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Ubuntu:17.04 runc to version 1.0.0~rc2+docker1.12.6-0ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream runc package and not the runc package as distributed by Ubuntu. See How to fix? for Ubuntu:17.04 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1