cnvd-2022-15519
Vulnerability from cnvd
Title
Lua存在未明漏洞
Description
Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。 Lua 5.4.4和5.4.2存在安全漏洞，该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞，攻击者可利用该漏洞导致本地拒绝服务。
Severity
低
Patch Name
Lua存在未明漏洞的补丁
Patch Description
Lua是Lua（LUA）团队的一款轻量级、扩展的开源脚本语言。 Lua 5.4.4和5.4.2存在安全漏洞，该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞，攻击者可利用该漏洞导致本地拒绝服务。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： http://lua-users.org/lists/lua-l/2021-11/msg00204.html

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-44647
Impacted products
Name
['Lua Lua 5.4.4', 'Lua Lua 5.4.2']
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44647"
    }
  },
  "description": "Lua\u662fLua\uff08LUA\uff09\u56e2\u961f\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u3001\u6269\u5c55\u7684\u5f00\u6e90\u811a\u672c\u8bed\u8a00\u3002\n\nLua 5.4.4\u548c5.4.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eldebug.c\u4e2dfuncnamefromcode\u51fd\u6570\u5b58\u5728\u7c7b\u578b\u6df7\u6dc6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\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\nhttp://lua-users.org/lists/lua-l/2021-11/msg00204.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-15519",
  "openTime": "2022-03-01",
  "patchDescription": "Lua\u662fLua\uff08LUA\uff09\u56e2\u961f\u7684\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u3001\u6269\u5c55\u7684\u5f00\u6e90\u811a\u672c\u8bed\u8a00\u3002\r\n\r\nLua 5.4.4\u548c5.4.2\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eldebug.c\u4e2dfuncnamefromcode\u51fd\u6570\u5b58\u5728\u7c7b\u578b\u6df7\u6dc6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u672c\u5730\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": "Lua\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Lua Lua 5.4.4",
      "Lua Lua 5.4.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-44647",
  "serverity": "\u4f4e",
  "submitTime": "2022-01-13",
  "title": "Lua\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}


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