cnvd - cnvd-2020-74926

cnvd-2020-74926

Vulnerability from cnvd

Title: SAP HANA授权问题漏洞

Description:

SAP HANA是德国思爱普（SAP）公司的一套高性能的实时数据分析平台。该平台提供数据查询功能，支持用户对查询实时业务数据进行查询和分析。

SAP HANA 2.0版本中存在安全漏洞，该漏洞源于在执行基于SAML持有者的ser认证时未能正确地验证用户名。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: SAP HANA授权问题漏洞的补丁

Patch Description:

SAP HANA是德国思爱普（SAP）公司的一套高性能的实时数据分析平台。该平台提供数据查询功能，支持用户对查询实时业务数据进行查询和分析。

SAP HANA 2.0版本中存在安全漏洞，该漏洞源于在执行基于SAML持有者的ser认证时未能正确地验证用户名。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-26834

Impacted products

Name
SAP HANA 2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26834",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26834"
    }
  },
  "description": "SAP HANA\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5b9e\u65f6\u6570\u636e\u5206\u6790\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u63d0\u4f9b\u6570\u636e\u67e5\u8be2\u529f\u80fd\uff0c\u652f\u6301\u7528\u6237\u5bf9\u67e5\u8be2\u5b9e\u65f6\u4e1a\u52a1\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u548c\u5206\u6790\u3002\n\nSAP HANA 2.0\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u6267\u884c\u57fa\u4e8eSAML\u6301\u6709\u8005\u7684ser\u8ba4\u8bc1\u65f6\u672a\u80fd\u6b63\u786e\u5730\u9a8c\u8bc1\u7528\u6237\u540d\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-74926",
  "openTime": "2020-12-29",
  "patchDescription": "SAP HANA\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5b9e\u65f6\u6570\u636e\u5206\u6790\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u63d0\u4f9b\u6570\u636e\u67e5\u8be2\u529f\u80fd\uff0c\u652f\u6301\u7528\u6237\u5bf9\u67e5\u8be2\u5b9e\u65f6\u4e1a\u52a1\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u548c\u5206\u6790\u3002\r\n\r\nSAP HANA 2.0\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u6267\u884c\u57fa\u4e8eSAML\u6301\u6709\u8005\u7684ser\u8ba4\u8bc1\u65f6\u672a\u80fd\u6b63\u786e\u5730\u9a8c\u8bc1\u7528\u6237\u540d\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "SAP HANA\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "SAP HANA 2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-26834",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-15",
  "title": "SAP HANA\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-26834 (GCVE-0-2020-26834)

Vulnerability from cvelistv5

Published

2020-12-09 16:30

Modified

2024-08-04 16:03

Severity ?

4.2 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE

Improper Authentication

Summary

SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token to authenticate as a user whose name is identical to the truncated username for whom the SAML bearer token was issued.

References

▼	URL	Tags
	https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079	x_refsource_MISC
	https://launchpad.support.sap.com/#/notes/2978768	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	SAP SE	SAP HANA Database	Version: < 2.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:03:22.211Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://launchpad.support.sap.com/#/notes/2978768"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SAP HANA Database",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token to authenticate as a user whose name is identical to the truncated username for whom the SAML bearer token was issued."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Authentication",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-09T16:30:45",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
        "shortName": "sap"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://launchpad.support.sap.com/#/notes/2978768"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2020-26834",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SAP HANA Database",
                      "version": {
                        "version_data": [
                          {
                            "version_name": "\u003c",
                            "version_value": "2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SAP SE"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "eng",
              "value": "SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token to authenticate as a user whose name is identical to the truncated username for whom the SAML bearer token was issued."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": "4.2",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
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                  "lang": "eng",
                  "value": "Improper Authentication"
                }
              ]
            }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079",
              "refsource": "MISC",
              "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079"
            },
            {
              "name": "https://launchpad.support.sap.com/#/notes/2978768",
              "refsource": "MISC",
              "url": "https://launchpad.support.sap.com/#/notes/2978768"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2020-26834",
    "datePublished": "2020-12-09T16:30:45",
    "dateReserved": "2020-10-07T00:00:00",
    "dateUpdated": "2024-08-04T16:03:22.211Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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