Vulnerability-Lookup

CNVD-2021-15501

Vulnerability from cnvd - Published: 2021-03-09

Title

Mozilla Firefox类型混淆代码执行漏洞

Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox使用逻辑分配操作符时存在类型混淆漏洞，该漏洞导致用户无法上传文件。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Mozilla Firefox类型混淆代码执行漏洞的补丁

Patch Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox使用逻辑分配操作符时存在类型混淆漏洞，该漏洞导致用户无法上传文件。目前没有详细的漏洞细节提供。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://www.mozilla.org/en-US/security/advisories/mfsa2021-03

Reference

https://www.auscert.org.au/bulletins/ESB-2021.0291/

Impacted products

Name
mozilla Mozilla Firefox <85

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2021-23956",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-23956"
    }
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  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2021-03",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-15501",
  "openTime": "2021-03-09",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox\u4f7f\u7528\u903b\u8f91\u5206\u914d\u64cd\u4f5c\u7b26\u65f6\u5b58\u5728\u7c7b\u578b\u6df7\u6dc6\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7528\u6237\u65e0\u6cd5\u4e0a\u4f20\u6587\u4ef6\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": "Mozilla Firefox\u7c7b\u578b\u6df7\u6dc6\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "mozilla Mozilla Firefox \u003c85"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.0291/",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-01",
  "title": "Mozilla Firefox\u7c7b\u578b\u6df7\u6dc6\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2021-23956 (GCVE-0-2021-23956)

Vulnerability from cvelistv5 – Published: 2021-02-26 02:09 – Updated: 2024-08-03 19:14

Summary

An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory. This was addressed by adding a new prompt. This vulnerability affects Firefox < 85.

Severity

No CVSS data available.

CWE

File picker dialog could have been used to disclose a complete directory

Assigner

mozilla mitre root

References

2 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1338637	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mozilla	Firefox	Affected: < 85

Show details on NVD website

JSON

To clipboard

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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.

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.

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CNVD-2021-15501

CVE-2021-23956 (GCVE-0-2021-23956)

Tags

Sightings

Nomenclature

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