FKIE_CVE-2021-21474

Vulnerability from fkie_nvd - Published: 2021-02-09 21:15 - Updated: 2024-11-21 05:48
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Summary
SAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion issued for an SAP HANA instance might be able to tamper with it and alter it in a way that the digest continues to be the same and without invalidating the digital signature, this allows them to impersonate as user in HANA database and be able to read the contents in the database.
References
cna@sap.comhttps://launchpad.support.sap.com/#/notes/2992154Permissions Required
cna@sap.comhttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://launchpad.support.sap.com/#/notes/2992154Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543Vendor Advisory
Impacted products
Vendor Product Version
sap hana_database 1.00
sap hana_database 2.00
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sap:hana_database:1.00:*:*:*:*:*:*:*",
              "matchCriteriaId": "528C05CB-315F-465C-8C25-EF85AA7D19B9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sap:hana_database:2.00:*:*:*:*:*:*:*",
              "matchCriteriaId": "4C6CA542-7071-48B6-B135-3AE9B4BB1DC5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion issued for an SAP HANA instance might be able to tamper with it and alter it in a way that the digest continues to be the same and without invalidating the digital signature, this allows them to impersonate as user in HANA database and be able to read the contents in the database."
    },
    {
      "lang": "es",
      "value": "SAP HANA Database, versiones - 1.0, 2.0, acepta tokens SAML con un digest MD5, un atacante que logra obtener una afirmaci\u00f3n SAML firmada por un digest MD5 emitida para una instancia de SAP HANA podr\u00eda manipularla y alterarla de una manera que el digest sigue siendo el mismo y sin invalidar la firma digital, esto les permite hacerse pasar por usuario en la base de datos HANA y poder leer los contenidos en la base de datos"
    }
  ],
  "id": "CVE-2021-21474",
  "lastModified": "2024-11-21T05:48:26.727",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-09T21:15:13.393",
  "references": [
    {
      "source": "cna@sap.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://launchpad.support.sap.com/#/notes/2992154"
    },
    {
      "source": "cna@sap.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://launchpad.support.sap.com/#/notes/2992154"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543"
    }
  ],
  "sourceIdentifier": "cna@sap.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-326"
        }
      ],
      "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.