Vulnerability-Lookup

RHSA-2016:2634

Vulnerability from csaf_redhat - Published: 2016-11-03 16:51 - Updated: 2025-11-21 17:58

Summary

Red Hat Security Advisory: docker security and bug fix update

Severity

Moderate

Notes

Topic: An update for docker is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere. Security Fix(es): * It was found that Docker would launch containers under the specified UID instead of a username. An attacker able to launch a container could use this flaw to escalate their privileges to root within the launched container. (CVE-2016-3697) This issue was discovered by Mrunal Patel (Red Hat). Bug Fix(es): * This update also provides various bug fixes and enhancements. Users are advised to upgrade to these updated packages.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2016-3697

It was found that Docker would launch containers under the specified UID instead of a username. An attacker able to launch a container could use this flaw to escalate their privileges to root within the launched container.

6.0 ()


                        
                          AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

Fixed 9 products

Product	Version	Remediation
Unresolved product id: 7Server-EXTRAS:docker-0:1.10.3-57.el7.src	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-common-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-logrotate-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-lvm-plugin-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-novolume-plugin-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-rhel-push-plugin-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-selinux-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-EXTRAS:docker-v1.10-migrator-0:1.10.3-57.el7.x86_64	—	Vendor Fix fix

Threats

Impact Moderate

References

19 references

URL	Category
https://access.redhat.com/errata/RHSA-2016:2634	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=1303123	external
https://bugzilla.redhat.com/show_bug.cgi?id=1329450	external
https://bugzilla.redhat.com/show_bug.cgi?id=1330141	external
https://bugzilla.redhat.com/show_bug.cgi?id=1335951	external
https://bugzilla.redhat.com/show_bug.cgi?id=1336857	external
https://bugzilla.redhat.com/show_bug.cgi?id=1346185	external
https://bugzilla.redhat.com/show_bug.cgi?id=1357121	external
https://bugzilla.redhat.com/show_bug.cgi?id=1358819	external
https://bugzilla.redhat.com/show_bug.cgi?id=1362611	external
https://bugzilla.redhat.com/show_bug.cgi?id=1370935	external
https://bugzilla.redhat.com/show_bug.cgi?id=1374265	external
https://bugzilla.redhat.com/show_bug.cgi?id=1385641	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2016-3697	self
https://bugzilla.redhat.com/show_bug.cgi?id=1329450	external
https://www.cve.org/CVERecord?id=CVE-2016-3697	external
https://nvd.nist.gov/vuln/detail/CVE-2016-3697	external

Acknowledgments

Red Hat Mrunal Patel

JSON

To clipboard

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            "7Server-EXTRAS:docker-selinux-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-v1.10-migrator-0:1.10.3-57.el7.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2016:2634"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
            "7Server-EXTRAS:docker-0:1.10.3-57.el7.src",
            "7Server-EXTRAS:docker-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-common-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-logrotate-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-lvm-plugin-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-novolume-plugin-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-rhel-push-plugin-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-selinux-0:1.10.3-57.el7.x86_64",
            "7Server-EXTRAS:docker-v1.10-migrator-0:1.10.3-57.el7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "docker: privilege escalation via confusion of usernames and UIDs"
    }
  ]
}

CVE-2016-3697 (GCVE-0-2016-3697)

Vulnerability from cvelistv5 – Published: 2016-06-01 20:00 – Updated: 2024-08-06 00:03

Summary

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.

Severity ?

No CVSS data available.

CWE

Assigner

redhat

References

8 references

URL	Tags
http://rhn.redhat.com/errata/RHSA-2016-1034.html	vendor-advisoryx_refsource_REDHAT
https://github.com/opencontainers/runc/releases/t…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2016-0…	vendor-advisoryx_refsource_SUSE
https://github.com/docker/docker/issues/21436	x_refsource_CONFIRM
https://github.com/opencontainers/runc/pull/708	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-2634.html	vendor-advisoryx_refsource_REDHAT
https://github.com/opencontainers/runc/commit/69a…	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201612-28	vendor-advisoryx_refsource_GENTOO

Date Public ?

2016-03-23 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:03:34.441Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "RHSA-2016:1034",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-1034.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/opencontainers/runc/releases/tag/v0.1.0"
          },
          {
            "name": "openSUSE-SU-2016:1417",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00111.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/docker/docker/issues/21436"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/opencontainers/runc/pull/708"
          },
          {
            "name": "RHSA-2016:2634",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2634.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/opencontainers/runc/commit/69af385de62ea68e2e608335cffbb0f4aa3db091"
          },
          {
            "name": "GLSA-201612-28",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201612-28"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-03-23T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-06-30T16:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2016:1034",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-1034.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/opencontainers/runc/releases/tag/v0.1.0"
        },
        {
          "name": "openSUSE-SU-2016:1417",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00111.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/docker/docker/issues/21436"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/opencontainers/runc/pull/708"
        },
        {
          "name": "RHSA-2016:2634",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-2634.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/opencontainers/runc/commit/69af385de62ea68e2e608335cffbb0f4aa3db091"
        },
        {
          "name": "GLSA-201612-28",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201612-28"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-3697",
    "datePublished": "2016-06-01T20:00:00.000Z",
    "dateReserved": "2016-03-30T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:03:34.441Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2016:2634

CVE-2016-3697 (GCVE-0-2016-3697)

Tags

Sightings

Nomenclature