Vulnerability-Lookup

CNVD-2018-26768

Vulnerability from cnvd - Published: 2018-12-27

Title

Discuz! DiscuzX身份认证绕过漏洞

Description

Discuz! DiscuzX是一套在线论坛系统。 Discuz! DiscuzX 3.4版本中存在身份认证绕过漏洞，当微信登录被启用时，远程攻击者可借助一个非空的#wechat#common_member_wechatmp利用该漏洞绕过身份验证，获取账户的访问权限。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.discuz.net/

Reference

https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI

Impacted products

Name
Discuz! DiscuzX 3.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20422"
    }
  },
  "description": "Discuz! DiscuzX\u662f\u4e00\u5957\u5728\u7ebf\u8bba\u575b\u7cfb\u7edf\u3002\n\nDiscuz! DiscuzX 3.4\u7248\u672c\u4e2d\u5b58\u5728\u8eab\u4efd\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5f53\u5fae\u4fe1\u767b\u5f55\u88ab\u542f\u7528\u65f6\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u4e00\u4e2a\u975e\u7a7a\u7684#wechat#common_member_wechatmp\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\uff0c\u83b7\u53d6\u8d26\u6237\u7684\u8bbf\u95ee\u6743\u9650\u3002",
  "discovererName": "whirlwind",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttp://www.discuz.net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-26768",
  "openTime": "2018-12-27",
  "products": {
    "product": "Discuz! DiscuzX 3.4"
  },
  "referenceLink": "https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI",
  "serverity": "\u9ad8",
  "submitTime": "2018-12-26",
  "title": "Discuz! DiscuzX\u8eab\u4efd\u8ba4\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2018-20422 (GCVE-0-2018-20422)

Vulnerability from cvelistv5 – Published: 2018-12-24 04:00 – Updated: 2024-08-05 11:58

Summary

Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass authentication by leveraging a non-empty #wechat#common_member_wechatmp to gain login access to an account via a plugin.php ac=wxregister request (the attacker does not have control over which account will be accessed).

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI	x_refsource_MISC

Date Public

2018-12-23 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:58:19.455Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-12-23T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass authentication by leveraging a non-empty #wechat#common_member_wechatmp to gain login access to an account via a plugin.php ac=wxregister request (the attacker does not have control over which account will be accessed)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-12-24T04:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-20422",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass authentication by leveraging a non-empty #wechat#common_member_wechatmp to gain login access to an account via a plugin.php ac=wxregister request (the attacker does not have control over which account will be accessed)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI",
              "refsource": "MISC",
              "url": "https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-20422",
    "datePublished": "2018-12-24T04:00:00.000Z",
    "dateReserved": "2018-12-23T00:00:00.000Z",
    "dateUpdated": "2024-08-05T11:58:19.455Z",
    "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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Action not permitted

CNVD-2018-26768

CVE-2018-20422 (GCVE-0-2018-20422)

Tags

Sightings

Nomenclature

Related by attack behaviour