cnvd - cnvd-2021-50111

cnvd-2021-50111

Vulnerability from cnvd

Title: mruby资源管理错误漏洞

Description:

mruby是一款Ruby语言的轻量级实现。

Mruby 2.1.2存在安全漏洞，该漏洞源于Mruby在MRB的默认allocf中有一个double free。目前没有详细的漏洞细节提供。

Severity: 中

Patch Name: mruby资源管理错误漏洞的补丁

Patch Description:

mruby是一款Ruby语言的轻量级实现。

Mruby 2.1.2存在安全漏洞，该漏洞源于Mruby在MRB的默认allocf中有一个double free。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://oss-fuzz.com/revisions?job=honggfuzz_asan_mruby&range=202007010342:202007020339。

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-36401

Impacted products

Name
mruby mruby 2.1.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-36401"
    }
  },
  "description": "mruby\u662f\u4e00\u6b3eRuby\u8bed\u8a00\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\u3002\n\nMruby 2.1.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eMruby\u5728MRB\u7684\u9ed8\u8ba4allocf\u4e2d\u6709\u4e00\u4e2adouble free\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\uff1a\r\nhttps://oss-fuzz.com/revisions?job=honggfuzz_asan_mruby\u0026range=202007010342:202007020339\u3002",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-50111",
  "openTime": "2021-07-13",
  "patchDescription": "mruby\u662f\u4e00\u6b3eRuby\u8bed\u8a00\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0\u3002\r\n\r\nMruby 2.1.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eMruby\u5728MRB\u7684\u9ed8\u8ba4allocf\u4e2d\u6709\u4e00\u4e2adouble free\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": "mruby\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "mruby mruby 2.1.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-36401",
  "serverity": "\u4e2d",
  "submitTime": "2021-07-02",
  "title": "mruby\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-36401 (GCVE-0-2020-36401)

Vulnerability from cvelistv5

Published

2021-07-01 02:51

Modified

2024-08-04 17:23

Severity ?

CWE

Summary

mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).

References

▼	URL	Tags
	https://github.com/mruby/mruby/commit/97319697c8f9f6ff27b32589947e1918e3015503	x_refsource_MISC
	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23801	x_refsource_MISC
	https://github.com/google/oss-fuzz-vulns/blob/main/vulns/mruby/OSV-2020-744.yaml	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

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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