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 |
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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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Sightings
Author | Source | Type | Date |
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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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