漏洞信息
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Vulnerability Title
Denial of service via crafted DoH exchange in PowerDNS DNSdist
Vulnerability Description
In some circumstances, when DNSdist is configured to use the nghttp2 library to process incoming DNS over HTTPS queries, an attacker might be able to cause a denial of service by crafting a DoH exchange that triggers an unbounded I/O read loop, causing an unexpected consumption of CPU resources.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
不可达退出条件的循环(无限循环)
Vulnerability Title
DNSdist 安全漏洞
Vulnerability Description
DNSdist是DNSdist开源的一款高度感知 DNS、DoS 和滥用的负载均衡器。 DNSdist存在安全漏洞，该漏洞源于使用nghttp2库处理DNS over HTTPS查询时可能触发无限I/O读取循环，可能导致CPU资源过度消耗和拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A