cnvd - cnvd-2021-87030

cnvd-2021-87030

Vulnerability from cnvd

Title: Samba输入验证错误漏洞（CNVD-2021-87030）

Description:

Samba是用于Linux和Unix 的标准 Windows 互操作性程序套件。

Samba存在输入验证错误漏洞，该漏洞源于在 samba 实现 DCE/RPC 的方式中发现了一个缺陷。如果 Samba 服务器的客户端发送了一个非常大的 DCE/RPC 请求，并选择对其进行分段，攻击者可利用该漏洞使用自己的数据替换后面的分段，从而绕过签名要求。

Severity: 中

Formal description:

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://vigilance.fr/vulnerability/Samba-multiple-vulnerabilities-36843

Reference: https://www.auscert.org.au/bulletins/ESB-2021.3774

Impacted products

Name
Samba Samba

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23192"
    }
  },
  "description": "Samba\u662f\u7528\u4e8eLinux\u548cUnix \u7684\u6807\u51c6 Windows \u4e92\u64cd\u4f5c\u6027\u7a0b\u5e8f\u5957\u4ef6\u3002\n\nSamba\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728 samba \u5b9e\u73b0 DCE/RPC \u7684\u65b9\u5f0f\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u7f3a\u9677\u3002\u5982\u679c Samba \u670d\u52a1\u5668\u7684\u5ba2\u6237\u7aef\u53d1\u9001\u4e86\u4e00\u4e2a\u975e\u5e38\u5927\u7684 DCE/RPC \u8bf7\u6c42\uff0c\u5e76\u9009\u62e9\u5bf9\u5176\u8fdb\u884c\u5206\u6bb5\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u81ea\u5df1\u7684\u6570\u636e\u66ff\u6362\u540e\u9762\u7684\u5206\u6bb5\uff0c\u4ece\u800c\u7ed5\u8fc7\u7b7e\u540d\u8981\u6c42\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://vigilance.fr/vulnerability/Samba-multiple-vulnerabilities-36843",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-87030",
  "openTime": "2021-11-12",
  "products": {
    "product": "Samba Samba"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.3774",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-12",
  "title": "Samba\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-87030\uff09"
}

CVE-2021-23192 (GCVE-0-2021-23192)

Vulnerability from cvelistv5

Published

2022-03-02 00:00

Modified

2024-08-03 19:05

Severity ?

CWE

CWE-20 - - Improper Input Validation.

Summary

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=2019666
	https://www.samba.org/samba/security/CVE-2021-23192.html
	https://ubuntu.com/security/CVE-2021-23192
	https://security.gentoo.org/glsa/202309-06	vendor-advisory

Impacted products

	Vendor	Product	Version
	n/a	samba	Version: Affects samba v4.10.0 to 4.15.1, Fixed in samba v4.15.2, v4.14.10 and v4.13.14.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:05:55.765Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019666"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.samba.org/samba/security/CVE-2021-23192.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://ubuntu.com/security/CVE-2021-23192"
          },
          {
            "name": "GLSA-202309-06",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202309-06"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "samba",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Affects samba v4.10.0 to 4.15.1, Fixed in samba v4.15.2, v4.14.10 and v4.13.14."
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 - Improper Input Validation.",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-09-17T08:06:37.021661",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019666"
        },
        {
          "url": "https://www.samba.org/samba/security/CVE-2021-23192.html"
        },
        {
          "url": "https://ubuntu.com/security/CVE-2021-23192"
        },
        {
          "name": "GLSA-202309-06",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202309-06"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-23192",
    "datePublished": "2022-03-02T00:00:00",
    "dateReserved": "2021-10-20T00:00:00",
    "dateUpdated": "2024-08-03T19:05:55.765Z",
    "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.

Action not permitted