gsd-2022-27881
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.
Aliases
Aliases
CVE-2022-27881


To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-27881",
    "description": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.",
    "id": "GSD-2022-27881"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-27881"
      ],
      "details": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation.",
      "id": "GSD-2022-27881",
      "modified": "2023-12-13T01:19:41.033915Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2022-27881",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig",
            "refsource": "MISC",
            "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"
          },
          {
            "name": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html",
            "refsource": "MISC",
            "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"
          },
          {
            "name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig",
            "refsource": "MISC",
            "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20220506-0005/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2022-27881"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-120"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"
            },
            {
              "name": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"
            },
            {
              "name": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20220506-0005/",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-05-12T20:05Z",
      "publishedDate": "2022-03-25T18:15Z"
    }
  }
}


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