gsd-2018-20434
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling.
Aliases
Aliases
CVE-2018-20434


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-20434",
    "description": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST[\u0027community\u0027] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture\u0026format=text\u0026type=snmpwalk\u0026hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling.",
    "id": "GSD-2018-20434",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2018-20434"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-20434"
      ],
      "details": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST[\u0027community\u0027] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture\u0026format=text\u0026type=snmpwalk\u0026hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling.",
      "id": "GSD-2018-20434",
      "modified": "2023-12-13T01:22:28.811729Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-20434",
        "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": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST[\u0027community\u0027] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture\u0026format=text\u0026type=snmpwalk\u0026hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d",
            "refsource": "MISC",
            "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"
          },
          {
            "name": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing",
            "refsource": "MISC",
            "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"
          },
          {
            "name": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/",
            "refsource": "MISC",
            "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"
          },
          {
            "name": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"
          },
          {
            "name": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "=1.46",
          "affected_versions": "Version 1.46",
          "cvss_v2": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-78",
            "CWE-937"
          ],
          "date": "2019-06-04",
          "description": "LibreNMS allows remote attackers to execute arbitrary OS commands by using the `community` parameter to `html/pages/addhost.inc.php` during creation of a new device, and then making a `/ajax_output.php?id`=capture\u0026format=text\u0026type=snmpwalk\u0026hostname=localhost` request that triggers `html/includes/output/capture.inc.php` command mishandling.",
          "fixed_versions": [
            "1.47"
          ],
          "identifier": "CVE-2018-20434",
          "identifiers": [
            "CVE-2018-20434"
          ],
          "not_impacted": "All versions before 1.46, all versions after 1.46",
          "package_slug": "packagist/librenms/librenms",
          "pubdate": "2019-04-24",
          "solution": "Upgrade to version 1.47 or above.",
          "title": "OS Command Injection",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-20434"
          ],
          "uuid": "76ada193-7430-4fea-b1f3-f6eca7436aec"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:librenms:librenms:1.46:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-20434"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST[\u0027community\u0027] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture\u0026format=text\u0026type=snmpwalk\u0026hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-78"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Technical Description",
                "Third Party Advisory"
              ],
              "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"
            },
            {
              "name": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"
            },
            {
              "name": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing",
              "refsource": "MISC",
              "tags": [
                "Permissions Required",
                "Third Party Advisory"
              ],
              "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"
            },
            {
              "name": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html",
              "refsource": "MISC",
              "tags": [],
              "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html",
              "refsource": "MISC",
              "tags": [],
              "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 10.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2019-06-04T23:29Z",
      "publishedDate": "2019-04-24T21:29Z"
    }
  }
}


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