docker: privilege escalation via confusion of usernames and UIDs
Published Jun 1, 2016
7.8
HIGHCVSS 3.1
EPSS 0.39%
Description
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 7 Extras
docker-0:1.10.3-57.el7
Fixed · RHSA-2016:2634
Red Hat Enterprise Linux 7 Extras
docker-0:1.9.1-40.el7
Fixed · RHSA-2016:1034
Red Hat OpenShift Enterprise 3
Security
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 Extras | docker-0:1.10.3-57.el7 | Fixed | RHSA-2016:2634 |
| Red Hat Enterprise Linux 7 Extras | docker-0:1.9.1-40.el7 | Fixed | RHSA-2016:1034 |
| Red Hat OpenShift Enterprise 3 | Security | Affected | n/a |
github.com/opencontainers/runc
Go
Introduced 0 Fixed 0.1.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/opencontainers/runc | 0 | 0.1.0 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00388) | 30.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00388) | 30.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00098) | 25.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.10% (0.01104) | 53.53th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
References (17)
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00111.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1034.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2634.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-3697 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1329450 Issue Tracking
- https://github.com/advisories/GHSA-q3j5-32m5-58c2 Advisory
- https://github.com/docker/docker/issues/21436 x_refsource_CONFIRMPatchThird Party Advisory
- https://github.com/opencontainers/runc/commit/69af385de62ea68e2e608335cffbb0f4aa3db091 x_refsource_CONFIRMThird Party Advisory
- https://github.com/opencontainers/runc/pull/708 x_refsource_CONFIRMThird Party Advisory
- https://github.com/opencontainers/runc/releases/tag/v0.1.0 x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.opensuse.org/opensuse-updates/2016-05/msg00111.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-3697
- https://pkg.go.dev/vuln/GO-2021-0070
- https://rhn.redhat.com/errata/RHSA-2016-1034.html
- https://rhn.redhat.com/errata/RHSA-2016-2634.html
- https://security.gentoo.org/glsa/201612-28 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-3697
Change history (0)
No recorded changes yet.