gsd-2016-6833
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.
Aliases
Aliases
CVE-2016-6833


To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-6833",
    "description": "Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.",
    "id": "GSD-2016-6833",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-6833.html",
      "https://ubuntu.com/security/CVE-2016-6833"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-6833"
      ],
      "details": "Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active.",
      "id": "GSD-2016-6833",
      "modified": "2023-12-13T01:21:22.915711Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-6833",
        "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": "Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://security.gentoo.org/glsa/201609-01",
            "refsource": "MISC",
            "url": "https://security.gentoo.org/glsa/201609-01"
          },
          {
            "name": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html",
            "refsource": "MISC",
            "url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"
          },
          {
            "name": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8",
            "refsource": "MISC",
            "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2016/08/12/1",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2016/08/12/1"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2016/08/18/3",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2016/08/18/3"
          },
          {
            "name": "http://www.securityfocus.com/bid/93255",
            "refsource": "MISC",
            "url": "http://www.securityfocus.com/bid/93255"
          },
          {
            "name": "https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html",
            "refsource": "MISC",
            "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.7.0:rc0:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.6.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.7.0:rc1:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:2.7.0:rc2:*:*:*:*:*:*",
                "cpe_name": [],
                "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-2016-6833"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Use-after-free vulnerability in the vmxnet3_io_bar0_write function in hw/net/vmxnet3.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU instance crash) by leveraging failure to check if the device is active."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-416"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "93255",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/93255"
            },
            {
              "name": "[oss-security] 20160817 Re: CVE request: Qemu net: vmxnet3: use after free while writing",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2016/08/18/3"
            },
            {
              "name": "[qemu-devel] 20160809 [PULL 2/3] net: vmxnet3: check for device_active before write",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg01602.html"
            },
            {
              "name": "[oss-security] 20160812 CVE request: Qemu net: vmxnet3: use after free while writing",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2016/08/12/1"
            },
            {
              "name": "GLSA-201609-01",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/201609-01"
            },
            {
              "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"
            },
            {
              "name": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8",
              "refsource": "MISC",
              "tags": [],
              "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6c352ca9b4ee3e1e286ea9e8434bd8e69ac7d0d8"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 0.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-12T23:25Z",
      "publishedDate": "2016-12-10T00:59Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.