cnvd - cnvd-2022-09777

CNVD-2022-09777

Vulnerability from cnvd - Published: 2022-02-11

Title

mruby空指针解引用漏洞

Description

mruby是一款Ruby语言的轻量级实现。 mruby存在空指针解引用漏洞，攻击者可利用该漏洞导致分段错误和应用程序崩溃。

Severity

中

Patch Name

mruby空指针解引用漏洞的补丁

Patch Description

mruby是一款Ruby语言的轻量级实现。 mruby存在空指针解引用漏洞，攻击者可利用该漏洞导致分段错误和应用程序崩溃。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/27d1e0132a0804581dca28df042e7047fd27eaa8

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-4188

Impacted products

Name
mruby mruby

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4188"
    }
  },
  "description": "mruby\u662f\u4e00\u6b3eRuby\u8bed\u8a00\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\u3002\n\nmruby\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6bb5\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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/27d1e0132a0804581dca28df042e7047fd27eaa8",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-09777",
  "openTime": "2022-02-11",
  "patchDescription": "mruby\u662f\u4e00\u6b3eRuby\u8bed\u8a00\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\u3002\r\n\r\nmruby\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5206\u6bb5\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "mruby mruby"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-4188",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-30",
  "title": "mruby\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-4188 (GCVE-0-2021-4188)

Vulnerability from cvelistv5 – Published: 2021-12-30 06:55 – Updated: 2024-08-03 17:16

Summary

mruby is vulnerable to NULL Pointer Dereference

Severity ?

6.8 (Medium)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

@huntrdev

References

URL

Tags

	https://huntr.dev/bounties/78533fb9-f3e0-47c2-86d…	x_refsource_CONFIRM
	https://github.com/mruby/mruby/commit/27d1e0132a0…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	mruby	mruby/mruby	Affected: unspecified , < 3.1 (custom)

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T17:16:04.248Z",
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              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/78533fb9-f3e0-47c2-86dc-d1f96d5bea28"
          },
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            ],
            "url": "https://github.com/mruby/mruby/commit/27d1e0132a0804581dca28df042e7047fd27eaa8"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
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            "integrityImpact": "LOW",
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2022-09777

CVE-2021-4188 (GCVE-0-2021-4188)

Tags

Sightings

Nomenclature