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I. Basic Information for CVE-2021-21282
Vulnerability Information

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Vulnerability Title
Buffer overflow in RPL source routing header processing
Source: NVD (National Vulnerability Database)
Vulnerability Description
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions prior to 4.5, buffer overflow can be triggered by an input packet when using either of Contiki-NG's two RPL implementations in source-routing mode. The problem has been patched in Contiki-NG 4.5. Users can apply the patch for this vulnerability out-of-band as a workaround.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Contiki-NG 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contiki-NG是一套用于下一代IoT(物联网)设备的开源跨平台操作系统。 Contiki-NG 存在安全漏洞,该漏洞源于在4.5之前的版本中,当在源路由模式中使用Contiki-NG的两个RPL实现中的任何一个时,输入包都可能触发缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
contiki-ngcontiki-ng < 4.5 -
II. Public POCs for CVE-2021-21282
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III. Intelligence Information for CVE-2021-21282
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IV. Related Vulnerabilities
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