cnvd-2021-28273
Vulnerability from cnvd
Title
json-c整数溢出和越界写入漏洞
Description
json-c是JSON的C语言实现。 json-c 0.14及更早版本存在整数溢出和越界写入漏洞。攻击者可通过大型JSON文件利用该漏洞导致整数溢出和越界写入。
Severity
中
Patch Name
json-c整数溢出和越界写入漏洞的补丁
Patch Description
json-c是JSON的C语言实现。 json-c 0.14及更早版本存在整数溢出和越界写入漏洞。攻击者可通过大型JSON文件利用该漏洞导致整数溢出和越界写入。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://github.com/json-c/json-c/pull/592/commits/d07b91014986900a3a75f306d302e13e005e9d67

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-12762
Impacted products
Name
JSON-C JSON-C <=0.14
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-12762"
    }
  },
  "description": "json-c\u662fJSON\u7684C\u8bed\u8a00\u5b9e\u73b0\u3002\n\njson-c 0.14\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u548c\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5927\u578bJSON\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u548c\u8d8a\u754c\u5199\u5165\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://github.com/json-c/json-c/pull/592/commits/d07b91014986900a3a75f306d302e13e005e9d67",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-28273",
  "openTime": "2021-04-14",
  "patchDescription": "json-c\u662fJSON\u7684C\u8bed\u8a00\u5b9e\u73b0\u3002\r\n\r\njson-c 0.14\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u548c\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5927\u578bJSON\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u548c\u8d8a\u754c\u5199\u5165\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": "json-c\u6574\u6570\u6ea2\u51fa\u548c\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "JSON-C JSON-C \u003c=0.14"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-12762",
  "serverity": "\u4e2d",
  "submitTime": "2020-05-11",
  "title": "json-c\u6574\u6570\u6ea2\u51fa\u548c\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e"
}


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