cnvd-2021-29450
Vulnerability from cnvd
Title
Contiki无限循环漏洞（CNVD-2021-29450）
Description
Contiki是一款用于内存受限系统的开源、高度可移植、网络化的多任务操作系统。 Contiki 3.0及更早版本中的uIP TCP/IP stack组件中的net/ipv6/uip6.c中的ext_hdr_options_process在处理IPv6扩展标头时存在无限循环漏洞。攻击者可利用该漏洞导致拒绝服务。
Severity
中
Patch Name
Contiki无限循环漏洞（CNVD-2021-29450）的补丁
Patch Description
Contiki是一款用于内存受限系统的开源、高度可移植、网络化的多任务操作系统。 Contiki 3.0及更早版本中的uIP TCP/IP stack组件中的net/ipv6/uip6.c中的ext_hdr_options_process在处理IPv6扩展标头时存在无限循环漏洞。攻击者可利用该漏洞导致拒绝服务。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://us-cert.cisa.gov/ics/advisories/icsa-20-343-01

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-13984
Impacted products
Name
Contiki Contiki <=3.0
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13984",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13984"
    }
  },
  "description": "Contiki\u662f\u4e00\u6b3e\u7528\u4e8e\u5185\u5b58\u53d7\u9650\u7cfb\u7edf\u7684\u5f00\u6e90\u3001\u9ad8\u5ea6\u53ef\u79fb\u690d\u3001\u7f51\u7edc\u5316\u7684\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nContiki 3.0\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684uIP TCP/IP stack\u7ec4\u4ef6\u4e2d\u7684net/ipv6/uip6.c\u4e2d\u7684ext_hdr_options_process\u5728\u5904\u7406IPv6\u6269\u5c55\u6807\u5934\u65f6\u5b58\u5728\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-29450",
  "openTime": "2021-04-19",
  "patchDescription": "Contiki\u662f\u4e00\u6b3e\u7528\u4e8e\u5185\u5b58\u53d7\u9650\u7cfb\u7edf\u7684\u5f00\u6e90\u3001\u9ad8\u5ea6\u53ef\u79fb\u690d\u3001\u7f51\u7edc\u5316\u7684\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nContiki 3.0\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684uIP TCP/IP stack\u7ec4\u4ef6\u4e2d\u7684net/ipv6/uip6.c\u4e2d\u7684ext_hdr_options_process\u5728\u5904\u7406IPv6\u6269\u5c55\u6807\u5934\u65f6\u5b58\u5728\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "Contiki\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\uff08CNVD-2021-29450\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Contiki Contiki \u003c=3.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13984",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-14",
  "title": "Contiki\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\uff08CNVD-2021-29450\uff09"
}


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