Vulnerability-Lookup

CNVD-2021-31924

Vulnerability from cnvd - Published: 2021-04-29

Title

Mozilla Rust跨站脚本漏洞

Description

Rust是Mozilla基金会的一款通用、编译型编程语言。 Rust中的comrak crate 0.9.1之前版本存在跨站脚本漏洞，该漏洞源于data: 和javascript: URIs的保护机制是区分大小写的。目前没有详细的漏洞细节提供。

Severity

中

Patch Name

Mozilla Rust跨站脚本漏洞的补丁

Patch Description

Rust是Mozilla基金会的一款通用、编译型编程语言。 Rust中的comrak crate 0.9.1之前版本存在跨站脚本漏洞，该漏洞源于data: 和javascript: URIs的保护机制是区分大小写的。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://rustsec.org/advisories/RUSTSEC-2021-0026.html

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-27671

Impacted products

Name
Mozilla Rust <0.9.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27671",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27671"
    }
  },
  "description": "Rust\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u901a\u7528\u3001\u7f16\u8bd1\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\n\nRust\u4e2d\u7684comrak crate 0.9.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edata: \u548cjavascript: URIs\u7684\u4fdd\u62a4\u673a\u5236\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\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\uff1ahttps://rustsec.org/advisories/RUSTSEC-2021-0026.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-31924",
  "openTime": "2021-04-29",
  "patchDescription": "Rust\u662fMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u901a\u7528\u3001\u7f16\u8bd1\u578b\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nRust\u4e2d\u7684comrak crate 0.9.1\u4e4b\u524d\u7248\u672c\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edata: \u548cjavascript: URIs\u7684\u4fdd\u62a4\u673a\u5236\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\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 Rust\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Rust \u003c0.9.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-27671",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-09",
  "title": "Mozilla Rust\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2021-27671 (GCVE-0-2021-27671)

Vulnerability from cvelistv5 – Published: 2021-02-25 00:33 – Updated: 2024-08-03 21:26

Summary

An issue was discovered in the comrak crate before 0.9.1 for Rust. XSS can occur because the protection mechanism for data: and javascript: URIs is case-sensitive, allowing (for example) Data: to be used in an attack.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://rustsec.org/advisories/RUSTSEC-2021-0026.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:26:10.659Z",
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              "x_transferred"
            ],
            "url": "https://rustsec.org/advisories/RUSTSEC-2021-0026.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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        }
      ],
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          "value": "An issue was discovered in the comrak crate before 0.9.1 for Rust. XSS can occur because the protection mechanism for data: and javascript: URIs is case-sensitive, allowing (for example) Data: to be used in an attack."
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      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-25T00:33:48.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
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            "x_refsource_MISC"
          ],
          "url": "https://rustsec.org/advisories/RUSTSEC-2021-0026.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-27671",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
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        },
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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    "dateReserved": "2021-02-25T00:00:00.000Z",
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    "state": "PUBLISHED"
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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-2021-31924

CVE-2021-27671 (GCVE-0-2021-27671)

Tags

Sightings

Nomenclature

Related by attack behaviour