Privilege Elevation in runc

Also known as GHSA-q3j5-32m5-58c2, GO-2021-0070

Published 10 y ago 2016-06-01 · modified 58 d ago 2026-09-10 · JSON

CVSS

7.8

v3.1 · NVD

CISA KEV

not known exploited

EPSS

0.4%

percentile 33%

Public exploits

none known

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.

Exploit prediction (EPSS)

0.39% probability of exploitation in the next 30 days, higher than 33% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.1	7.8	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	2.1	`AV:L/AC:L/Au:N/C:P/I:N/A:N`
GitHub	3.1	7.8	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected packages

Ecosystem	Package	Affected	Fixed in
go	`github.com/opencontainers/runc`	<0.1.0	0.1.0

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls
CWE-269 Improper Privilege Management

Technology feeds

Docker (RSS, critical only)

References

rhn.redhat.com /errata/RHSA-2016-1034.html · vendor-advisory, x_refsource_REDHAT, x_transferred
github.com /opencontainers/runc/releases/tag/v0.1.0 · x_refsource_CONFIRM, x_transferred
lists.opensuse.org /opensuse-updates/2016-05/msg00111.html · vendor-advisory, x_refsource_SUSE, x_transferred
github.com /docker/docker/issues/21436 · x_refsource_CONFIRM, x_transferred
github.com /opencontainers/runc/pull/708 · x_refsource_CONFIRM, x_transferred
rhn.redhat.com /errata/RHSA-2016-2634.html · vendor-advisory, x_refsource_REDHAT, x_transferred
github.com /opencontainers/runc/commit/69af385de62ea68e2e608335cffbb0f4aa3db091 · x_refsource_CONFIRM, x_transferred
security.gentoo.org /glsa/201612-28 · vendor-advisory, x_refsource_GENTOO, x_transferred
nvd.nist.gov /vuln/detail/CVE-2016-3697 · advisory
github.com /opencontainers/runc · package
lists.opensuse.org /opensuse-updates/2016-05/msg00111.html · web
pkg.go.dev /vuln/GO-2021-0070 · web
rhn.redhat.com /errata/RHSA-2016-1034.html · web
rhn.redhat.com /errata/RHSA-2016-2634.html · web

Sources

CVE List: CVE-2016-3697
GitHub Advisory: GHSA-q3j5-32m5-58c2
NVD: CVE-2016-3697
OSV: GO-2021-0070

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.