Vulnerability-Lookup

CVE-2016-10012 (GCVE-0-2016-10012)

Vulnerability from cvelistv5 – Published: 2017-01-05 00:00 – Updated: 2026-05-29 20:48

Summary

The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-01-30 19:00 UTC

CWE

n/a
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2334 records in the last 180 days details

References

12 references

URL	Tags
https://security.netapp.com/advisory/ntap-2017113…
http://www.openwall.com/lists/oss-security/2016/12/19/2	mailing-list
http://www.securitytracker.com/id/1037490	vdb-entry
https://support.hpe.com/hpsc/doc/public/display?d…
http://www.slackware.com/security/viewer.php?l=sl…
https://access.redhat.com/errata/RHSA-2017:2029	vendor-advisory
https://lists.debian.org/debian-lts-announce/2018…	mailing-list
https://www.openssh.com/txt/release-7.4
http://www.securityfocus.com/bid/94975	vdb-entry
https://github.com/openbsd/src/commit/3095060f479…
https://support.f5.com/csp/article/K62201745?utm_…
https://cert-portal.siemens.com/productcert/pdf/s…

Date Public

2016-12-19 00:00

Show details on NVD website

JSON

To clipboard

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                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 7.8,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2016-10012",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-01-30T19:00:16.210612Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-119",
                    "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-05-29T20:48:13.832Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "n/a",
              "vendor": "n/a",
              "versions": [
                {
                  "status": "affected",
                  "version": "n/a"
                }
              ]
            }
          ],
          "datePublic": "2016-12-19T00:00:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "n/a",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2022-12-13T00:00:00.000Z",
            "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            "shortName": "mitre"
          },
          "references": [
            {
              "url": "https://security.netapp.com/advisory/ntap-20171130-0002/"
            },
            {
              "name": "[oss-security] 20161219 Announce: OpenSSH 7.4 released",
              "tags": [
                "mailing-list"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2016/12/19/2"
            },
            {
              "name": "1037490",
              "tags": [
                "vdb-entry"
              ],
              "url": "http://www.securitytracker.com/id/1037490"
            },
            {
              "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03818en_us"
            },
            {
              "url": "http://www.slackware.com/security/viewer.php?l=slackware-security\u0026y=2016\u0026m=slackware-security.647637"
            },
            {
              "name": "RHSA-2017:2029",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2017:2029"
            },
            {
              "name": "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update",
              "tags": [
                "mailing-list"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html"
            },
            {
              "url": "https://www.openssh.com/txt/release-7.4"
            },
            {
              "name": "94975",
              "tags": [
                "vdb-entry"
              ],
              "url": "http://www.securityfocus.com/bid/94975"
            },
            {
              "url": "https://github.com/openbsd/src/commit/3095060f479b86288e31c79ecbc5131a66bcd2f9"
            },
            {
              "url": "https://support.f5.com/csp/article/K62201745?utm_source=f5support\u0026amp%3Butm_medium=RSS"
            },
            {
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2016-10012",
        "datePublished": "2017-01-05T00:00:00.000Z",
        "dateReserved": "2016-12-19T00:00:00.000Z",
        "dateUpdated": "2026-05-29T20:48:17.999Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

OPENSUSE-SU-2024:11124-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 20:12

Summary

openssh-8.4p1-7.4 on GA media

Severity

Moderate

Scope

12 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 28 products

Open the full advisory

RHSA-2017:2029

Vulnerability from csaf_opensuse - Published: 2017-08-01 00:00 - Updated: 2026-09-20 10:59

Summary

security update for openssh

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 10 products

Open the full advisory

SSA-412672

Vulnerability from csaf_siemens - Published: 2022-12-13 00:00 - Updated: 2022-12-13 00:00

Summary

SSA-412672: Multiple OpenSSL and OpenSSH Vulnerabilities in SCALANCE X-200RNA Switch Devices before V3.2.7

Scope

83 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Known affected: 5 products

https://support.industry.siemens.com/cs/ww/en/view/109814809/

Open the full advisory

SUSE-SU-2017:0264-1

Vulnerability from csaf_suse - Published: 2017-01-23 12:26 - Updated: 2026-09-20 12:22

Summary

Security update for openssh

Severity

Moderate

Scope

5 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 55 products

Open the full advisory

SUSE-SU-2018:2275-1

Vulnerability from csaf_suse - Published: 2018-08-09 13:56 - Updated: 2026-09-20 12:52

Summary

Security update for openssh

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 40 products

Open the full advisory

SUSE-SU-2018:2685-1

Vulnerability from csaf_suse - Published: 2018-09-11 08:50 - Updated: 2026-09-20 12:55

Summary

Security update for openssh

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 92 products

Open the full advisory

SUSE-SU-2018:2719-1

Vulnerability from csaf_suse - Published: 2018-09-14 14:06 - Updated: 2026-09-20 12:55

Summary

Security update for openssh-openssl1

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 10 products

Open the full advisory

SUSE-SU-2018:3540-1

Vulnerability from csaf_suse - Published: 2018-10-29 05:47 - Updated: 2026-09-20 12:59

Summary

Security update for openssh

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Recommended: 48 products

Open the full advisory

UBUNTU-CVE-2016-10012 (CVE-2016-10012)

Vulnerability from osv_ubuntu – Published: 2017-01-04 00:00 – Updated: 2026-06-01 07:04 – Source website

Details

Severity

7.8 (High)


                    
                      CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.8 (High)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2016-10012	REPORT
	https://www.openssh.com/txt/release-7.4	REPORT
	http://www.openwall.com/lists/oss-security/2016/12/19/2	REPORT
	https://ubuntu.com/security/notices/USN-3538-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2016-10012	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "openssh-client",
            "binary_version": "1:6.6p1-2ubuntu2.10"
          },
          {
            "binary_name": "openssh-server",
            "binary_version": "1:6.6p1-2ubuntu2.10"
          },
          {
            "binary_name": "openssh-sftp-server",
            "binary_version": "1:6.6p1-2ubuntu2.10"
          },
          {
            "binary_name": "ssh",
            "binary_version": "1:6.6p1-2ubuntu2.10"
          },
          {
            "binary_name": "ssh-askpass-gnome",
            "binary_version": "1:6.6p1-2ubuntu2.10"
          },
          {
            "binary_name": "ssh-krb5",
            "binary_version": "1:6.6p1-2ubuntu2.10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "openssh",
        "purl": "pkg:deb/ubuntu/openssh@1:6.6p1-2ubuntu2.10?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:6.6p1-2ubuntu2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:6.2p2-6",
        "1:6.2p2-6ubuntu1",
        "1:6.4p1-1",
        "1:6.4p1-2",
        "1:6.5p1-1",
        "1:6.5p1-2",
        "1:6.5p1-3",
        "1:6.5p1-4",
        "1:6.5p1-6",
        "1:6.6p1-1",
        "1:6.6p1-2",
        "1:6.6p1-2ubuntu1",
        "1:6.6p1-2ubuntu2",
        "1:6.6p1-2ubuntu2.2",
        "1:6.6p1-2ubuntu2.3",
        "1:6.6p1-2ubuntu2.4",
        "1:6.6p1-2ubuntu2.6",
        "1:6.6p1-2ubuntu2.7",
        "1:6.6p1-2ubuntu2.8"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "openssh-client",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          },
          {
            "binary_name": "openssh-client-ssh1",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          },
          {
            "binary_name": "openssh-server",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          },
          {
            "binary_name": "openssh-sftp-server",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          },
          {
            "binary_name": "ssh",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          },
          {
            "binary_name": "ssh-askpass-gnome",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          },
          {
            "binary_name": "ssh-krb5",
            "binary_version": "1:7.2p2-4ubuntu2.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "openssh",
        "purl": "pkg:deb/ubuntu/openssh@1:7.2p2-4ubuntu2.4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:7.2p2-4ubuntu2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:6.9p1-2",
        "1:6.9p1-3",
        "1:7.1p1-1",
        "1:7.1p1-3",
        "1:7.1p1-4",
        "1:7.1p1-6",
        "1:7.1p2-1",
        "1:7.1p2-2",
        "1:7.2p1-1",
        "1:7.2p2-1",
        "1:7.2p2-2",
        "1:7.2p2-3",
        "1:7.2p2-4",
        "1:7.2p2-4ubuntu1",
        "1:7.2p2-4ubuntu2.1",
        "1:7.2p2-4ubuntu2.2"
      ]
    }
  ],
  "aliases": [],
  "details": "The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all compilers, which might allows local users to gain privileges by leveraging access to a sandboxed privilege-separation process, related to the m_zback and m_zlib data structures.",
  "id": "UBUNTU-CVE-2016-10012",
  "modified": "2026-06-01T07:04:35Z",
  "published": "2017-01-04T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-10012"
    },
    {
      "type": "REPORT",
      "url": "https://www.openssh.com/txt/release-7.4"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/12/19/2"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3538-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-10012"
    }
  ],
  "related": [
    "USN-3538-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-10012"
  ]
}

WID-SEC-W-2023-1996

Vulnerability from csaf_certbund - Published: 2016-12-19 23:00 - Updated: 2026-01-12 23:00

Summary

OpenSSH: Mehrere Schwachstellen

Severity

Hoch

Scope

6 vulnerabilities in this advisory, including CVE-2016-10012.

CVE-2016-10012

Known affected: 11 products

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2016-10012 (GCVE-0-2016-10012)

UBUNTU-CVE-2016-10012 (CVE-2016-10012)

Tags

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Vulnerability timeline

Related by attack behaviour