FKIE_CVE-2021-39392

Vulnerability from fkie_nvd - Published: 2021-09-15 17:15 - Updated: 2024-11-21 06:19
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers' installations) in web.config, and can be used to send serialized ASP code.
References
cve@mitre.orghttp://www.mylittlebackup.com/mlb/zip/mlb_1.7.zipBroken Link
cve@mitre.orghttps://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zipBroken Link
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281Third Party Advisory
Impacted products
Vendor Product Version
mylittletools mylittlebackup *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mylittletools:mylittlebackup:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F1E121CF-A6C4-476F-AC9F-065F6298FD0B",
              "versionEndIncluding": "1.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers\u0027 installations) in web.config, and can be used to send serialized ASP code."
    },
    {
      "lang": "es",
      "value": "La herramienta de administraci\u00f3n de MyLittleBackup versiones hasta 1.7 incluy\u00e9ndola, permite a atacantes remotos ejecutar c\u00f3digo arbitrario porque machineKey est\u00e1 embebida (la misma para todas las instalaciones de los clientes) en web.config, y puede usarse para enviar c\u00f3digo ASP serializado"
    }
  ],
  "id": "CVE-2021-39392",
  "lastModified": "2024-11-21T06:19:28.230",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-15T17:15:10.410",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zip"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zip"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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 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.