Vulnerability-Lookup

CNVD-2022-50692

Vulnerability from cnvd - Published: 2022-07-21

Title

mruby存在二进制漏洞

Description

mruby是一个轻量级的Ruby语言的实现，可使用解释模式运行Ruby代码并在虚拟机中执行。 mruby存在二进制漏洞，攻击者可利用该漏洞造成拒绝服务攻击。

Severity

高

Patch Name

mruby存在二进制漏洞的补丁

Patch Description

mruby是一个轻量级的 Ruby 语言的实现，可使用解释模式运行 Ruby 代码并在虚拟机中执行。 mruby存在二进制漏洞，攻击者可利用该漏洞造成拒绝服务攻击。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

厂商已经修复此漏洞，请关注厂商主页及时更新： https://www.github.com/mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce

Impacted products

Name
mruby mruby 3.1.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-1934"
    }
  },
  "description": "mruby\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Ruby\u8bed\u8a00\u7684\u5b9e\u73b0\uff0c\u53ef\u4f7f\u7528\u89e3\u91ca\u6a21\u5f0f\u8fd0\u884cRuby\u4ee3\u7801\u5e76\u5728\u865a\u62df\u673a\u4e2d\u6267\u884c\u3002\n\nmruby\u5b58\u5728\u4e8c\u8fdb\u5236\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "\u5317\u4eac\u5929\u5730\u548c\u5174\u79d1\u6280\u6709\u9650\u516c\u53f8#3",
  "formalWay": "\u5382\u5546\u5df2\u7ecf\u4fee\u590d\u6b64\u6f0f\u6d1e\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1a\r\nhttps://www.github.com/mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-50692",
  "openTime": "2022-07-21",
  "patchDescription": "mruby\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 Ruby \u8bed\u8a00\u7684\u5b9e\u73b0\uff0c\u53ef\u4f7f\u7528\u89e3\u91ca\u6a21\u5f0f\u8fd0\u884c Ruby \u4ee3\u7801\u5e76\u5728\u865a\u62df\u673a\u4e2d\u6267\u884c\u3002\r\n\r\nmruby\u5b58\u5728\u4e8c\u8fdb\u5236\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "mruby\u5b58\u5728\u4e8c\u8fdb\u5236\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "mruby mruby 3.1.0"
  },
  "serverity": "\u9ad8",
  "submitTime": "2022-06-06",
  "title": "mruby\u5b58\u5728\u4e8c\u8fdb\u5236\u6f0f\u6d1e"
}

CVE-2022-1934 (GCVE-0-2022-1934)

Vulnerability from cvelistv5 – Published: 2022-05-31 02:20 – Updated: 2024-08-03 00:24

Title

Use After Free in mruby/mruby

Summary

Use After Free in GitHub repository mruby/mruby prior to 3.2.

Severity

5.1 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CWE

CWE-416 - Use After Free

Assigner

@huntrdev

References

2 references

URL	Tags
https://huntr.dev/bounties/99e6df06-b9f7-4c53-a72…	x_refsource_CONFIRM
https://github.com/mruby/mruby/commit/aa7f98dedb6…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
mruby	mruby/mruby	Affected: unspecified , < 3.2 (custom)

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T00:24:42.561Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "mruby/mruby",
          "vendor": "mruby",
          "versions": [
            {
              "lessThan": "3.2",
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              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.0"
          }
        }
      ],
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              "lang": "en",
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            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-05-31T02:20:12.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
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      },
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          "tags": [
            "x_refsource_CONFIRM"
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          "url": "https://huntr.dev/bounties/99e6df06-b9f7-4c53-a722-6bb89fbfb51f"
        },
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          "url": "https://github.com/mruby/mruby/commit/aa7f98dedb68d735a1665d3a289036c88b0c47ce"
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      ],
      "source": {
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        "discovery": "EXTERNAL"
      },
      "title": "Use After Free in mruby/mruby",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2022-1934",
          "STATE": "PUBLIC",
          "TITLE": "Use After Free in mruby/mruby"
        },
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                      "product_name": "mruby/mruby",
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                            "version_affected": "\u003c",
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    "dateReserved": "2022-05-30T00:00:00.000Z",
    "dateUpdated": "2024-08-03T00:24:42.561Z",
    "state": "PUBLISHED"
  },
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  "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.

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.