Vulnerability-Lookup

CNVD-2021-37745

Vulnerability from cnvd - Published: 2021-05-28

Title

MediaWiki存在未明漏洞（CNVD-2021-37745）

Description

MediaWiki是美国维基媒体（MediaWiki）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki 1.35.2版本及之前版本存在安全漏洞，该漏洞源于AbuseFilterCheckMatch API通过精心设计的abusfilter规则迭代向非特权用户显示被抑制的编辑和用户名。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

MediaWiki存在未明漏洞（CNVD-2021-37745）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://phabricator.wikimedia.org/T223654

Reference

https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d

Impacted products

Name
MediaWiki MediaWiki <=1.35.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-31547",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-31547"
    }
  },
  "description": "MediaWiki\u662f\u7f8e\u56fd\u7ef4\u57fa\u5a92\u4f53\uff08MediaWiki\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u81ea\u7531\u514d\u8d39\u7684\u57fa\u4e8e\u7f51\u7edc\u7684Wiki\u5f15\u64ce\u3002\u8be5\u4ea7\u54c1\u53ef\u7528\u4e8e\u90e8\u7f72\u5185\u90e8\u7684\u77e5\u8bc6\u7ba1\u7406\u548c\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u3002\n\nMediaWiki 1.35.2\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eAbuseFilterCheckMatch API\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684abusfilter\u89c4\u5219\u8fed\u4ee3\u5411\u975e\u7279\u6743\u7528\u6237\u663e\u793a\u88ab\u6291\u5236\u7684\u7f16\u8f91\u548c\u7528\u6237\u540d\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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\uff1a\r\nhttps://phabricator.wikimedia.org/T223654",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-37745",
  "openTime": "2021-05-28",
  "patchDescription": "MediaWiki\u662f\u7f8e\u56fd\u7ef4\u57fa\u5a92\u4f53\uff08MediaWiki\uff09\u57fa\u91d1\u4f1a\u7684\u4e00\u5957\u81ea\u7531\u514d\u8d39\u7684\u57fa\u4e8e\u7f51\u7edc\u7684Wiki\u5f15\u64ce\u3002\u8be5\u4ea7\u54c1\u53ef\u7528\u4e8e\u90e8\u7f72\u5185\u90e8\u7684\u77e5\u8bc6\u7ba1\u7406\u548c\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\u3002\r\n\r\nMediaWiki 1.35.2\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eAbuseFilterCheckMatch API\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684abusfilter\u89c4\u5219\u8fed\u4ee3\u5411\u975e\u7279\u6743\u7528\u6237\u663e\u793a\u88ab\u6291\u5236\u7684\u7f16\u8f91\u548c\u7528\u6237\u540d\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "MediaWiki\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-37745\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "MediaWiki MediaWiki \u003c=1.35.2"
  },
  "referenceLink": "https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-17",
  "title": "MediaWiki\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2021-37745\uff09"
}

CVE-2021-31547 (GCVE-0-2021-31547)

Vulnerability from cvelistv5 – Published: 2021-04-22 02:30 – Updated: 2024-08-03 23:03

Summary

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://phabricator.wikimedia.org/T223654	x_refsource_MISC
https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411…	x_refsource_MISC
https://gerrit.wikimedia.org/r/q/I4900b1be7332359…	x_refsource_MISC

Show details on NVD website

JSON

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{
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          "dateUpdated": "2024-08-03T23:03:33.474Z",
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            "url": "https://phabricator.wikimedia.org/T223654"
          },
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            ],
            "url": "https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d"
          },
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            "tags": [
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            ],
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          }
        ],
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        }
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          "url": "https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75"
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      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2021-31547",
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            "vendor_data": [
              {
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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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.