Vulnerability-Lookup

VAR-202409-0042

Vulnerability from variot - Updated: 2024-09-10 19:20

A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Belkin International, Inc. of wrt54g An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Show details on source website

JSON

To clipboard

{
  "@context": {
    "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
    "affected_products": {
      "@id": "https://www.variotdbs.pl/ref/affected_products"
    },
    "credits": {
      "@id": "https://www.variotdbs.pl/ref/credits"
    },
    "cvss": {
      "@id": "https://www.variotdbs.pl/ref/cvss/"
    },
    "description": {
      "@id": "https://www.variotdbs.pl/ref/description/"
    },
    "exploit_availability": {
      "@id": "https://www.variotdbs.pl/ref/exploit_availability/"
    },
    "external_ids": {
      "@id": "https://www.variotdbs.pl/ref/external_ids/"
    },
    "iot": {
      "@id": "https://www.variotdbs.pl/ref/iot/"
    },
    "iot_taxonomy": {
      "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
    },
    "patch": {
      "@id": "https://www.variotdbs.pl/ref/patch/"
    },
    "problemtype_data": {
      "@id": "https://www.variotdbs.pl/ref/problemtype_data/"
    },
    "references": {
      "@id": "https://www.variotdbs.pl/ref/references/"
    },
    "sources": {
      "@id": "https://www.variotdbs.pl/ref/sources/"
    },
    "sources_release_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_release_date/"
    },
    "sources_update_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_update_date/"
    },
    "threat_type": {
      "@id": "https://www.variotdbs.pl/ref/threat_type/"
    },
    "title": {
      "@id": "https://www.variotdbs.pl/ref/title/"
    },
    "type": {
      "@id": "https://www.variotdbs.pl/ref/type/"
    }
  },
  "@id": "https://www.variotdbs.pl/vuln/VAR-202409-0042",
  "affected_products": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "model": "wrt54g",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "linksys",
        "version": "4.21.5"
      },
      {
        "model": "wrt54g",
        "scope": null,
        "trust": 0.8,
        "vendor": "belkin",
        "version": null
      },
      {
        "model": "wrt54g",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "belkin",
        "version": null
      },
      {
        "model": "wrt54g",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "belkin",
        "version": "wrt54g  firmware  4.21.5"
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "cve": "CVE-2024-8408",
  "cvss": {
    "@context": {
      "cvssV2": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
      },
      "cvssV3": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
      },
      "severity": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/cvss/severity#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/severity"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "cvssV2": [
          {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "author": "cna@vuldb.com",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 8.0,
            "id": "CVE-2024-8408",
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "severity": "MEDIUM",
            "trust": 1.0,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          {
            "acInsufInfo": null,
            "accessComplexity": "Low",
            "accessVector": "Network",
            "authentication": "Single",
            "author": "OTHER",
            "availabilityImpact": "Partial",
            "baseScore": 6.5,
            "confidentialityImpact": "Partial",
            "exploitabilityScore": null,
            "id": "JVNDB-2024-007569",
            "impactScore": null,
            "integrityImpact": "Partial",
            "obtainAllPrivilege": null,
            "obtainOtherPrivilege": null,
            "obtainUserPrivilege": null,
            "severity": "Medium",
            "trust": 0.8,
            "userInteractionRequired": null,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "author": "cna@vuldb.com",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "exploitabilityScore": 2.8,
            "id": "CVE-2024-8408",
            "impactScore": 3.4,
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "author": "nvd@nist.gov",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "exploitabilityScore": 3.9,
            "id": "CVE-2024-8408",
            "impactScore": 5.9,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Network",
            "author": "NVD",
            "availabilityImpact": "High",
            "baseScore": 9.8,
            "baseSeverity": "Critical",
            "confidentialityImpact": "High",
            "exploitabilityScore": null,
            "id": "JVNDB-2024-007569",
            "impactScore": null,
            "integrityImpact": "High",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "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"
          }
        ],
        "severity": [
          {
            "author": "cna@vuldb.com",
            "id": "CVE-2024-8408",
            "trust": 1.0,
            "value": "Medium"
          },
          {
            "author": "nvd@nist.gov",
            "id": "CVE-2024-8408",
            "trust": 1.0,
            "value": "CRITICAL"
          },
          {
            "author": "OTHER",
            "id": "JVNDB-2024-007569",
            "trust": 0.8,
            "value": "Critical"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Belkin International, Inc. of wrt54g An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      }
    ],
    "trust": 1.62
  },
  "external_ids": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "db": "NVD",
        "id": "CVE-2024-8408",
        "trust": 2.6
      },
      {
        "db": "VULDB",
        "id": "276488",
        "trust": 1.0
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "id": "VAR-202409-0042",
  "iot": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": true,
    "sources": [
      {
        "db": "VARIoT devices database",
        "id": null
      }
    ],
    "trust": 0.5353147
  },
  "last_update_date": "2024-09-10T19:20:57.275000Z",
  "problemtype_data": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "problemtype": "CWE-121",
        "trust": 1.0
      },
      {
        "problemtype": "CWE-787",
        "trust": 1.0
      },
      {
        "problemtype": "Out-of-bounds writing (CWE-787) [NVD evaluation ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "references": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/references#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "trust": 1.8,
        "url": "https://github.com/buaaiotteam/iot_linksys/blob/main/linksys_wrt54g_validate_services_port.md"
      },
      {
        "trust": 1.8,
        "url": "https://vuldb.com/?submit.398567"
      },
      {
        "trust": 1.8,
        "url": "https://www.linksys.com/"
      },
      {
        "trust": 1.0,
        "url": "https://vuldb.com/?ctiid.276488"
      },
      {
        "trust": 1.0,
        "url": "https://vuldb.com/?id.276488"
      },
      {
        "trust": 0.8,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2024-8408"
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2024-09-09T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "date": "2024-09-04T14:15:15.413000",
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2024-09-09T04:50:00",
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      },
      {
        "date": "2024-09-05T14:41:14.603000",
        "db": "NVD",
        "id": "CVE-2024-8408"
      }
    ]
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "Belkin\u00a0International,\u00a0Inc.\u00a0 of \u00a0wrt54g\u00a0 Out-of-bounds write vulnerability in firmware",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2024-007569"
      }
    ],
    "trust": 0.8
  }
}

CVE-2024-8408 (GCVE-0-2024-8408)

Vulnerability from cvelistv5 – Published: 2024-09-04 14:00 – Updated: 2024-09-04 14:13

Title

Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow

Summary

Severity ?

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.276488	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.276488	signaturepermissions-required
	https://vuldb.com/?submit.398567	third-party-advisory
	https://github.com/BuaaIOTTeam/Iot_Linksys/blob/m…	exploit
	https://www.linksys.com/	product

Impacted products

	Vendor	Product	Version
	Linksys	WRT54G	Affected: 4.21.5

Credits

Buaa1otTeam (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:linksys:wrt54g:4.21.5:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "wrt54g",
            "vendor": "linksys",
            "versions": [
              {
                "status": "affected",
                "version": "4.21.5"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-8408",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-04T14:12:34.563714Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-04T14:13:56.158Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "POST Parameter Handler"
          ],
          "product": "WRT54G",
          "vendor": "Linksys",
          "versions": [
            {
              "status": "affected",
              "version": "4.21.5"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Buaa1otTeam (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Eine kritische Schwachstelle wurde in Linksys WRT54G 4.21.5 ausgemacht. Betroffen davon ist die Funktion validate_services_port der Datei /apply.cgi der Komponente POST Parameter Handler. Durch die Manipulation des Arguments services_array mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121 Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-04T14:00:06.823Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-276488 | Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.276488"
        },
        {
          "name": "VDB-276488 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.276488"
        },
        {
          "name": "Submit #398567 | Linksys WRT54G  v4.21.5 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.398567"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/BuaaIOTTeam/Iot_Linksys/blob/main/Linksys_WRT54G_validate_services_port.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.linksys.com/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-09-04T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2024-09-04T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-09-04T09:06:15.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2024-8408",
    "datePublished": "2024-09-04T14:00:06.823Z",
    "dateReserved": "2024-09-04T07:01:04.112Z",
    "dateUpdated": "2024-09-04T14:13:56.158Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202409-0042

CVE-2024-8408 (GCVE-0-2024-8408)

Tags

Sightings

Nomenclature