漏洞信息
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Vulnerability Title
BunkerWeb: rDNS bypass via missing forward-confirmation (FCrDNS) in blacklist, greylist, and antibot
Vulnerability Description
BunkerWeb is an open-source, next-generation Web Application Firewall. Prior to 1.6.13, the blacklist, greylist, and antibot modules in src/common/core/blacklist/blacklist.lua, src/common/core/greylist/greylist.lua, and src/common/core/antibot/antibot.lua trust PTR suffix matches in IGNORE_RDNS, GREYLIST_RDNS, and ANTIBOT_IGNORE_RDNS without using get_ips to confirm that the hostname resolves to the client address. An unauthenticated remote attacker who controls a PTR record can spoof a trusted suffix to bypass rDNS-based blacklisting, gain greylist treatment, or skip an antibot challenge. This issue is fixed in version 1.6.13.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Vulnerability Type
不恰当地信任反向DNS
Vulnerability Title
Bunkerity BunkerWeb 授权问题漏洞
Vulnerability Description
Bunkerity BunkerWeb是Bunkerity团队开源的一款Web应用防火墙。 Bunkerity BunkerWeb 1.6.13之前版本存在授权问题漏洞,该漏洞源于blacklist、greylist和antibot模块信任PTR后缀匹配而未使用get_ips确认主机名解析到客户端地址,可能导致未认证远程攻击者控制PTR记录伪造可信后缀,绕过基于rDNS的黑名单、获得灰名单处理或跳过antibot挑战。
CVSS Information
N/A
Vulnerability Type
N/A