cnvd - cnvd-2021-101690

cnvd-2021-101690

Vulnerability from cnvd

Title: mruby拒绝服务漏洞（CNVD-2021-101690）

Description:

mruby是一款Ruby语言的轻量级实现。

mruby存在拒绝服务漏洞，该漏洞源于mruby易受空指针解引用的影响。攻击者可利用该漏洞造成拒绝服务。

Severity: 中

Patch Name: mruby拒绝服务漏洞（CNVD-2021-101690）的补丁

Patch Description:

mruby是一款Ruby语言的轻量级实现。

mruby存在拒绝服务漏洞，该漏洞源于mruby易受空指针解引用的影响。攻击者可利用该漏洞造成拒绝服务。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。

Reference: https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20

Impacted products

Name
mruby mruby <3.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4110",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-4110"
    }
  },
  "description": "mruby\u662f\u4e00\u6b3eRuby\u8bed\u8a00\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\u3002\n\nmruby\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emruby\u6613\u53d7\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u7684\u5f71\u54cd\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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\u3002",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101690",
  "openTime": "2021-12-23",
  "patchDescription": "mruby\u662f\u4e00\u6b3eRuby\u8bed\u8a00\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\u3002\r\n\r\nmruby\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emruby\u6613\u53d7\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u7684\u5f71\u54cd\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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-2021-101690\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "mruby mruby \u003c3.1"
  },
  "referenceLink": "https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-19",
  "title": "mruby\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-101690\uff09"
}

CVE-2021-4110 (GCVE-0-2021-4110)

Vulnerability from cvelistv5

Published

2021-12-15 04:40

Modified

2024-08-03 17:16

Severity ?

9.1 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE

CWE-476 - NULL Pointer Dereference

Summary

mruby is vulnerable to NULL Pointer Dereference

References

▼	URL	Tags
	https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20	x_refsource_CONFIRM
	https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	mruby	mruby/mruby	Version: unspecified < 3.1

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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