GSD-2016-3067

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
Aliases
Aliases
CVE-2016-3067
To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-3067",
    "description": "Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.",
    "id": "GSD-2016-3067"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-3067"
      ],
      "details": "Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.",
      "id": "GSD-2016-3067",
      "modified": "2023-12-13T01:21:27.799762Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-3067",
        "STATE": "PUBLIC"
      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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                          "version_value": "n/a"
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          }
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            "description": [
              {
                "lang": "eng",
                "value": "n/a"
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      },
      "references": {
        "reference_data": [
          {
            "name": "[cygwin-announce] 20160411 Cygwin 2.5.0-1",
            "refsource": "MLIST",
            "url": "https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html"
          },
          {
            "name": "[cygwin-announce] 20160419 CVE-2016-3067: network privilege escalation in Cygwin set(e)ui",
            "refsource": "MLIST",
            "url": "https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html"
          },
          {
            "name": "[cygwin] 20160208 Possible Security Hole in SSHD w/ CYGWIN?",
            "refsource": "MLIST",
            "url": "https://cygwin.com/ml/cygwin/2016-02/msg00129.html"
          },
          {
            "name": "[cygwin-announce] 20160218 TEST RELEASE: Cygwin 2.5.0-0.4",
            "refsource": "MLIST",
            "url": "https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html"
          },
          {
            "name": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=205862ed08649df8f50b926a2c58c963f571b044",
            "refsource": "CONFIRM",
            "url": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=205862ed08649df8f50b926a2c58c963f571b044"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:cygwin:cygwin:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.4.1-1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-3067"
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
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                  "value": "CWE-264"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=205862ed08649df8f50b926a2c58c963f571b044",
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              "tags": [
                "Patch"
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              "url": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=205862ed08649df8f50b926a2c58c963f571b044"
            },
            {
              "name": "[cygwin-announce] 20160419 CVE-2016-3067: network privilege escalation in Cygwin set(e)ui",
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              ],
              "url": "https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html"
            },
            {
              "name": "[cygwin-announce] 20160411 Cygwin 2.5.0-1",
              "refsource": "MLIST",
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                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html"
            },
            {
              "name": "[cygwin-announce] 20160218 TEST RELEASE: Cygwin 2.5.0-0.4",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html"
            },
            {
              "name": "[cygwin] 20160208 Possible Security Hole in SSHD w/ CYGWIN?",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://cygwin.com/ml/cygwin/2016-02/msg00129.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2017-04-27T19:06Z",
      "publishedDate": "2017-04-21T20:59Z"
    }
  }
}


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  • 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.
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  • 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.



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