gsd-2016-9602
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.
Aliases
Aliases
CVE-2016-9602


To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-9602",
    "description": "Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.",
    "id": "GSD-2016-9602",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-9602.html",
      "https://ubuntu.com/security/CVE-2016-9602"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-9602"
      ],
      "details": "Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.",
      "id": "GSD-2016-9602",
      "modified": "2023-12-13T01:21:21.267297Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-9602",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Qemu",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "qemu 2.9"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": ""
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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          }
        ]
      },
      "impact": {
        "cvss": [
          [
            {
              "vectorString": "7.6/CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
              "version": "3.0"
            }
          ],
          [
            {
              "vectorString": "6.5/AV:A/AC:H/Au:S/C:C/I:C/A:C",
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            }
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      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-59"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "[qemu-devel] 20170220 [PATCH 00/29] 9pfs: local: fix vulnerability to symlink attacks",
            "refsource": "MLIST",
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04347.html"
          },
          {
            "name": "1037604",
            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1037604"
          },
          {
            "name": "[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602"
          },
          {
            "name": "[oss-security] 20170117 CVE-2016-9602 Qemu: 9p: virtfs allows guest to access host filesystem",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2017/01/17/12"
          },
          {
            "name": "[qemu-devel] 20170130 [PATCH RFC 00/36] 9pfs: local: fix vulnerability to symlink attacks",
            "refsource": "MLIST",
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.html"
          },
          {
            "name": "GLSA-201704-01",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/201704-01"
          },
          {
            "name": "95461",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/95461"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.9",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-9602"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-59"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[qemu-devel] 20170220 [PATCH 00/29] 9pfs: local: fix vulnerability to symlink attacks",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04347.html"
            },
            {
              "name": "[qemu-devel] 20170130 [PATCH RFC 00/36] 9pfs: local: fix vulnerability to symlink attacks",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.html"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602"
            },
            {
              "name": "[oss-security] 20170117 CVE-2016-9602 Qemu: 9p: virtfs allows guest to access host filesystem",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2017/01/17/12"
            },
            {
              "name": "GLSA-201704-01",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/201704-01"
            },
            {
              "name": "1037604",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1037604"
            },
            {
              "name": "95461",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/95461"
            },
            {
              "name": "[debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 9.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2019-10-09T23:20Z",
      "publishedDate": "2018-04-26T19:29Z"
    }
  }
}


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