Vulnerability-Lookup

CNVD-2021-54402

Vulnerability from cnvd - Published: 2021-07-24

Title

SAP Netweaver输入验证错误漏洞（CNVD-2021-54402）

Description

SAP Netweaver是德国思爱普（SAP）公司的一套面向服务的集成化应用平台。该平台主要为SAP应用程序提供开发和运行环境。 SAP Netweaver存在输入验证错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Patch Name

SAP Netweaver输入验证错误漏洞（CNVD-2021-54402）的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999

Reference

https://launchpad.support.sap.com/#/notes/3020209

Impacted products

Name
SPA NetWeaver

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27634",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27634"
    }
  },
  "description": "SAP Netweaver\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9762\u5411\u670d\u52a1\u7684\u96c6\u6210\u5316\u5e94\u7528\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u4e3b\u8981\u4e3aSAP\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5f00\u53d1\u548c\u8fd0\u884c\u73af\u5883\u3002\n\nSAP Netweaver\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-54402",
  "openTime": "2021-07-24",
  "patchDescription": "SAP Netweaver\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9762\u5411\u670d\u52a1\u7684\u96c6\u6210\u5316\u5e94\u7528\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u4e3b\u8981\u4e3aSAP\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5f00\u53d1\u548c\u8fd0\u884c\u73af\u5883\u3002\r\n\r\nSAP Netweaver\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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 Netweaver\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-54402\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "SPA NetWeaver"
  },
  "referenceLink": "https://launchpad.support.sap.com/#/notes/3020209",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-21",
  "title": "SAP Netweaver\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-54402\uff09"
}

CVE-2021-27634 (GCVE-0-2021-27634)

Vulnerability from cvelistv5 – Published: 2021-06-09 00:00 – Updated: 2024-08-03 21:26

Summary

SAP NetWeaver AS for ABAP (RFC Gateway), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method ThCpicDtCreate () causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.

Severity

7.5 (High)


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

CWE

CWE-787 - Improper Input Validation (CWE-787)

Assigner

sap mitre root Scorecard

References

2 references

URL	Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.acti…
https://launchpad.support.sap.com/#/notes/3020209

Impacted products

1 product

Vendor	Product	Version
SAP SE	SAP NetWeaver AS for ABAP (RFC Gateway)	Affected: < KRNL32NUC - 7.22 Affected: < 7.22EXT Affected: < KRNL64NUC - 7.22 Affected: < 7.49 Affected: < KRNL64UC - 8.04 Affected: < 7.22 Affected: < 7.53 Affected: < 7.73 Affected: < KERNEL - 7.22 Affected: < 8.04 Affected: < 7.77 Affected: < 7.81 Affected: < 7.82 Affected: < 7.83

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:26:10.595Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://launchpad.support.sap.com/#/notes/3020209"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SAP NetWeaver AS for ABAP (RFC Gateway)",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c KRNL32NUC - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 7.22EXT"
            },
            {
              "status": "affected",
              "version": "\u003c KRNL64NUC - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 7.49"
            },
            {
              "status": "affected",
              "version": "\u003c KRNL64UC - 8.04"
            },
            {
              "status": "affected",
              "version": "\u003c 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 7.53"
            },
            {
              "status": "affected",
              "version": "\u003c 7.73"
            },
            {
              "status": "affected",
              "version": "\u003c KERNEL - 7.22"
            },
            {
              "status": "affected",
              "version": "\u003c 8.04"
            },
            {
              "status": "affected",
              "version": "\u003c 7.77"
            },
            {
              "status": "affected",
              "version": "\u003c 7.81"
            },
            {
              "status": "affected",
              "version": "\u003c 7.82"
            },
            {
              "status": "affected",
              "version": "\u003c 7.83"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SAP NetWeaver AS for ABAP (RFC Gateway), versions - KRNL32NUC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method ThCpicDtCreate () causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "Improper Input Validation (CWE-787)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-17T00:00:00.000Z",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
        "shortName": "sap"
      },
      "references": [
        {
          "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=578125999"
        },
        {
          "url": "https://launchpad.support.sap.com/#/notes/3020209"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2021-27634",
    "datePublished": "2021-06-09T00:00:00.000Z",
    "dateReserved": "2021-02-23T00:00:00.000Z",
    "dateUpdated": "2024-08-03T21:26:10.595Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "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.

Related by attack behaviour

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Action not permitted

CNVD-2021-54402

CVE-2021-27634 (GCVE-0-2021-27634)

Tags

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Nomenclature

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