Vulnerability-Lookup

CNVD-2022-15500

Vulnerability from cnvd - Published: 2022-03-01

Title

Samba安全绕过漏洞（CNVD-2022-15500）

Description

Samba是用于Linux和Unix的标准Windows互操作性程序套件。 Samba存在安全漏洞，该漏洞源于在作为Active Directory域控制器的Samba实现基于Kerberos名称的身份验证的方式中发现了一个缺陷。攻击者可以利用此漏洞获取整个域的安全漏洞。

Severity

高

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://nvd.nist.gov/vuln/detail/CVE-2020-25719

Impacted products

Name
Samba Samba

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-25719"
    }
  },
  "description": "Samba\u662f\u7528\u4e8eLinux\u548cUnix\u7684\u6807\u51c6Windows\u4e92\u64cd\u4f5c\u6027\u7a0b\u5e8f\u5957\u4ef6\u3002\n\nSamba\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u4f5c\u4e3aActive Directory\u57df\u63a7\u5236\u5668\u7684Samba\u5b9e\u73b0\u57fa\u4e8eKerberos\u540d\u79f0\u7684\u8eab\u4efd\u9a8c\u8bc1\u7684\u65b9\u5f0f\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e2a\u7f3a\u9677\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u6f0f\u6d1e\u83b7\u53d6\u6574\u4e2a\u57df\u7684\u5b89\u5168\u6f0f\u6d1e\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-2022-15500",
  "openTime": "2022-03-01",
  "products": {
    "product": "Samba Samba"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-25719",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-12",
  "title": "Samba\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2022-15500\uff09"
}

CVE-2020-25719 (GCVE-0-2020-25719)

Vulnerability from cvelistv5 – Published: 2022-02-18 00:00 – Updated: 2024-08-04 15:40

Summary

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.

Severity

No CVSS data available.

CWE

CWE-287

Assigner

redhat redhat root

References

3 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2019732
https://www.samba.org/samba/security/CVE-2020-257…
https://security.gentoo.org/glsa/202309-06	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
n/a	samba	Affected: samba 4.15.2, samba 4.14.10, samba 4.13.14

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:40:36.654Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019732"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.samba.org/samba/security/CVE-2020-25719.html"
          },
          {
            "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": "samba 4.15.2, samba 4.14.10, samba 4.13.14"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-09-17T08:06:50.287Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2019732"
        },
        {
          "url": "https://www.samba.org/samba/security/CVE-2020-25719.html"
        },
        {
          "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-2020-25719",
    "datePublished": "2022-02-18T00:00:00.000Z",
    "dateReserved": "2020-09-16T00:00:00.000Z",
    "dateUpdated": "2024-08-04T15:40:36.654Z",
    "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.

Detection rules are retrieved from Rulezet.

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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CNVD-2022-15500

CVE-2020-25719 (GCVE-0-2020-25719)

Tags

Sightings

Nomenclature

Related by attack behaviour