GSD-2016-1237

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.
Aliases
Aliases
CVE-2016-1237
To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-1237",
    "description": "nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.",
    "id": "GSD-2016-1237",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-1237.html",
      "https://www.debian.org/security/2016/dsa-3607",
      "https://ubuntu.com/security/CVE-2016-1237",
      "https://advisories.mageia.org/CVE-2016-1237.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2016-1237.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-1237"
      ],
      "details": "nfsd in the Linux kernel through 4.6.3 allows local users to bypass intended file-permission restrictions by setting a POSIX ACL, related to nfs2acl.c, nfs3acl.c, and nfs4acl.c.",
      "id": "GSD-2016-1237",
      "modified": "2023-12-13T01:21:24.186158Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "STATE": "PUBLIC"
      },
      "affects": {
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              "product": {
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                    "product_name": "n/a",
                    "version": {
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                          "version_value": "n/a"
                        }
                      ]
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              "vendor_name": "n/a"
            }
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          }
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            "name": "[oss-security] 20160625 Linux CVE-2016-1237: nfsd: any user can set a file\u0027s ACL over NFS and grant access to it",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2016/06/25/2"
          },
          {
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          },
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          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.6.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
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          "ID": "CVE-2016-1237"
        },
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-284"
                }
              ]
            }
          ]
        },
        "references": {
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            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1350845",
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            },
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            },
            {
              "name": "[oss-security] 20160625 Linux CVE-2016-1237: nfsd: any user can set a file\u0027s ACL over NFS and grant access to it",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2016/06/25/2"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4",
              "refsource": "CONFIRM",
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              "url": "https://github.com/torvalds/linux/commit/999653786df6954a31044528ac3f7a5dadca08f4"
            },
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            },
            {
              "name": "91456",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/91456"
            },
            {
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              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-3070-1"
            },
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              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-3053-1"
            },
            {
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              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2016/dsa-3607"
            },
            {
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              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-3070-3"
            },
            {
              "name": "USN-3070-4",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "http://www.ubuntu.com/usn/USN-3070-4"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.9,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2016-11-28T19:58Z",
      "publishedDate": "2016-06-29T14:10Z"
    }
  }
}



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