Vulnerability-Lookup

CNVD-2022-08157

Vulnerability from cnvd - Published: 2022-02-01

Title

mruby拒绝服务漏洞（CNVD-2022-08157）

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在3.2版本之前版本存在拒绝服务漏洞，该漏洞源于mruby的空指针解引用，攻击者可利用该漏洞通过精心设计报文导致拒绝服务。

Severity

中

Patch Name

mruby拒绝服务漏洞（CNVD-2022-08157）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在3.2版本之前版本存在拒绝服务漏洞，该漏洞源于mruby的空指针解引用，攻击者可利用该漏洞通过精心设计报文导致拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/mruby/mruby/commit/b611c43a5de061ec21b343967e1b64c45c373d7e

Reference

https://nvd.nist.gov/vuln/detail/CVE-2022-0326

Impacted products

Name
mruby mruby <3.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-0326",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-0326"
    }
  },
  "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\u57283.2\u7248\u672c\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emruby\u7684\u7a7a\u6307\u9488\u89e3\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u62a5\u6587\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/mruby/mruby/commit/b611c43a5de061ec21b343967e1b64c45c373d7e",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08157",
  "openTime": "2022-02-01",
  "patchDescription": "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\r\n\r\nMruby\u57283.2\u7248\u672c\u4e4b\u524d\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emruby\u7684\u7a7a\u6307\u9488\u89e3\u5f15\u7528\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u62a5\u6587\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-08157\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "mruby mruby \u003c3.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-0326",
  "serverity": "\u4e2d",
  "submitTime": "2022-01-25",
  "title": "mruby\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-08157\uff09"
}

CVE-2022-0326 (GCVE-0-2022-0326)

Vulnerability from cvelistv5 – Published: 2022-01-21 06:45 – Updated: 2024-08-02 23:25

Title

NULL Pointer Dereference in mruby/mruby

Summary

NULL Pointer Dereference in Homebrew mruby prior to 3.2.

Severity

5.5 (Medium)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

@huntrdev

References

2 references

URL	Tags
https://huntr.dev/bounties/795dcbd9-1695-44bb-8c5…	x_refsource_CONFIRM
https://github.com/mruby/mruby/commit/b611c43a5de…	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": "2024-08-02T23:25:40.180Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/795dcbd9-1695-44bb-8c59-ad327c97c976"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/mruby/mruby/commit/b611c43a5de061ec21b343967e1b64c45c373d7e"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "mruby/mruby",
          "vendor": "mruby",
          "versions": [
            {
              "lessThan": "3.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
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      ],
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
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            }
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      ],
      "providerMetadata": {
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        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
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      },
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          ],
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        },
        {
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        }
      ],
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        "discovery": "EXTERNAL"
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      "title": "NULL Pointer Dereference in mruby/mruby",
      "x_legacyV4Record": {
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          "ID": "CVE-2022-0326",
          "STATE": "PUBLIC",
          "TITLE": "NULL Pointer Dereference in mruby/mruby"
        },
        "affects": {
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              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "mruby/mruby",
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                          {
                            "version_affected": "\u003c",
                            "version_value": "3.2"
                          }
                        ]
                      }
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            },
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    "dateReserved": "2022-01-21T00:00:00.000Z",
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    "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.

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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CNVD-2022-08157

CVE-2022-0326 (GCVE-0-2022-0326)

Tags

Sightings

Nomenclature

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