漏洞信息
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Vulnerability Title
Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router advertisement handling
Vulnerability Description
A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser to enter a non-advancing loop. Successful exploitation may result in excessive CPU consumption, leading to a denial of service.
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
不可达退出条件的循环(无限循环)
Vulnerability Title
dhcpcd project dhcpcd 资源管理错误漏洞
Vulnerability Description
dhcpcd project dhcpcd是dhcpcd project团队开源的一款DHCP服务器程序。 dhcpcd project dhcpcd 存在资源管理错误漏洞,该漏洞源于在IPv6邻居发现路由器公告处理过程中对零长度选项的验证不足,导致解析器进入非前进循环,成功利用可能造成CPU过度消耗,导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A