gsd-2012-3516
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.
Aliases
Aliases
CVE-2012-3516


To clipboard 

{
  "GSD": {
    "alias": "CVE-2012-3516",
    "description": "The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.",
    "id": "GSD-2012-3516",
    "references": [
      "https://www.suse.com/security/cve/CVE-2012-3516.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2012-3516"
      ],
      "details": "The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location.",
      "id": "GSD-2012-3516",
      "modified": "2023-12-13T01:20:21.044521Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2012-3516",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"
          },
          {
            "name": "http://secunia.com/advisories/50472",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/50472"
          },
          {
            "name": "http://secunia.com/advisories/50530",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/50530"
          },
          {
            "name": "http://support.citrix.com/article/CTX134708",
            "refsource": "MISC",
            "url": "http://support.citrix.com/article/CTX134708"
          },
          {
            "name": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking",
            "refsource": "MISC",
            "url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2012/09/05/11",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2012/09/05/11"
          },
          {
            "name": "http://www.securityfocus.com/bid/55411",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/55411"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "6.0.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2012-3516"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-264"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "50530",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/50530"
            },
            {
              "name": "50472",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/50472"
            },
            {
              "name": "http://support.citrix.com/article/CTX134708",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "http://support.citrix.com/article/CTX134708"
            },
            {
              "name": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking"
            },
            {
              "name": "[oss-security] 20120905 Xen Security Advisory 18 (CVE-2012-3516) - grant table entry  swaps have inadequate bounds checking",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2012/09/05/11"
            },
            {
              "name": "SUSE-SU-2012:1133",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"
            },
            {
              "name": "55411",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/55411"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.9,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.4,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2013-02-01T04:49Z",
      "publishedDate": "2012-11-23T20:55Z"
    }
  }
}


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