Vulnerability-Lookup

CNVD-2021-03704

Vulnerability from cnvd - Published: 2021-01-18

Title

SAP BusinessObjects Business Intelligence Platform XML外部实体注入漏洞

Description

SAP BusinessObjects Business Intelligence Platform是德国思爱普（SAP）公司的一套商业智能软件和企业绩效解决方案套件。该产品具有报告生成、分析和数据可视化等功能。 SAP BusinessObjects Business Intelligence Platform 4.1、4.2和4.3版本存在XML外部实体注入漏洞。该漏洞源于程序未进行XML验证。攻击者可利用该漏洞注入任意XML实体从而导致内部文件和目录泄露、服务端请求伪造和拒绝服务。

Severity

中

Patch Name

SAP BusinessObjects Business Intelligence Platform XML外部实体注入漏洞的补丁

Patch Description

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://vigilance.fr/vulnerability/SAP-multiple-vulnerabilities-of-December-2020-34054

Impacted products

Name
['SAP BusinessObjects Business Intelligence Platform 4.1', 'SAP BusinessObjects Business Intelligence Platform 4.2', 'SAP BusinessObjects Business Intelligence Platform 4.3']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26831",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26831"
    }
  },
  "description": "SAP BusinessObjects Business Intelligence Platform\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u5546\u4e1a\u667a\u80fd\u8f6f\u4ef6\u548c\u4f01\u4e1a\u7ee9\u6548\u89e3\u51b3\u65b9\u6848\u5957\u4ef6\u3002\u8be5\u4ea7\u54c1\u5177\u6709\u62a5\u544a\u751f\u6210\u3001\u5206\u6790\u548c\u6570\u636e\u53ef\u89c6\u5316\u7b49\u529f\u80fd\u3002\n\nSAP BusinessObjects Business Intelligence Platform 4.1\u30014.2\u548c4.3\u7248\u672c\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u8fdb\u884cXML\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6ce8\u5165\u4efb\u610fXML\u5b9e\u4f53\u4ece\u800c\u5bfc\u81f4\u5185\u90e8\u6587\u4ef6\u548c\u76ee\u5f55\u6cc4\u9732\u3001\u670d\u52a1\u7aef\u8bf7\u6c42\u4f2a\u9020\u548c\u62d2\u7edd\u670d\u52a1\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-2021-03704",
  "openTime": "2021-01-18",
  "patchDescription": "SAP BusinessObjects Business Intelligence Platform\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u5546\u4e1a\u667a\u80fd\u8f6f\u4ef6\u548c\u4f01\u4e1a\u7ee9\u6548\u89e3\u51b3\u65b9\u6848\u5957\u4ef6\u3002\u8be5\u4ea7\u54c1\u5177\u6709\u62a5\u544a\u751f\u6210\u3001\u5206\u6790\u548c\u6570\u636e\u53ef\u89c6\u5316\u7b49\u529f\u80fd\u3002\r\n\r\nSAP BusinessObjects Business Intelligence Platform 4.1\u30014.2\u548c4.3\u7248\u672c\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u8fdb\u884cXML\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6ce8\u5165\u4efb\u610fXML\u5b9e\u4f53\u4ece\u800c\u5bfc\u81f4\u5185\u90e8\u6587\u4ef6\u548c\u76ee\u5f55\u6cc4\u9732\u3001\u670d\u52a1\u7aef\u8bf7\u6c42\u4f2a\u9020\u548c\u62d2\u7edd\u670d\u52a1\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 BusinessObjects Business Intelligence Platform XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "SAP BusinessObjects Business Intelligence Platform 4.1",
      "SAP BusinessObjects Business Intelligence Platform 4.2",
      "SAP BusinessObjects Business Intelligence Platform 4.3"
    ]
  },
  "referenceLink": "https://vigilance.fr/vulnerability/SAP-multiple-vulnerabilities-of-December-2020-34054",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-15",
  "title": "SAP BusinessObjects Business Intelligence Platform XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2020-26831 (GCVE-0-2020-26831)

Vulnerability from cvelistv5 – Published: 2020-12-09 16:29 – Updated: 2024-08-04 16:03

Summary

SAP BusinessObjects BI Platform (Crystal Report), versions - 4.1, 4.2, 4.3, does not sufficiently validate uploaded XML entities during crystal report generation due to missing XML validation, An attacker with basic privileges can inject some arbitrary XML entities leading to internal file disclosure, internal directories disclosure, Server-Side Request Forgery (SSRF) and denial-of-service (DoS).

Severity

9.6 (Critical)


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

CWE

Missing XML Validation

Assigner

sap mitre root

References

2 references

URL	Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.acti…	x_refsource_MISC
https://launchpad.support.sap.com/#/notes/2989075	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
SAP SE	SAP BusinessObjects BI Platform (Crystal Report)	Affected: < 4.1 Affected: < 4.2 Affected: < 4.3

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:03:22.943Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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              "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/2989075"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SAP BusinessObjects BI Platform (Crystal Report)",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.1"
            },
            {
              "status": "affected",
              "version": "\u003c 4.2"
            },
            {
              "status": "affected",
              "version": "\u003c 4.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SAP BusinessObjects BI Platform (Crystal Report), versions - 4.1, 4.2, 4.3, does not sufficiently validate uploaded XML entities during crystal report generation due to missing XML validation, An attacker with basic privileges can inject some arbitrary XML entities leading to internal file disclosure, internal directories disclosure, Server-Side Request Forgery (SSRF) and denial-of-service (DoS)."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Missing XML Validation",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-09T16:29:55.000Z",
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        "shortName": "sap"
      },
      "references": [
        {
          "tags": [
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        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://launchpad.support.sap.com/#/notes/2989075"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2020-26831",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
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              {
                "product": {
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                    {
                      "product_name": "SAP BusinessObjects BI Platform (Crystal Report)",
                      "version": {
                        "version_data": [
                          {
                            "version_name": "\u003c",
                            "version_value": "4.1"
                          },
                          {
                            "version_name": "\u003c",
                            "version_value": "4.2"
                          },
                          {
                            "version_name": "\u003c",
                            "version_value": "4.3"
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                "vendor_name": "SAP SE"
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            }
          ]
        },
        "impact": {
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            "baseScore": "9.6",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H",
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        "problemtype": {
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            },
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  },
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  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CNVD-2021-03704

CVE-2020-26831 (GCVE-0-2020-26831)

Tags

Sightings

Nomenclature

Related by attack behaviour