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IPv4-mapped IPv6 addresses did not get recognized as "local" by the code and a connection attempt is made. Attackers with access to user accounts could use this to bypass existing deny-list functionality and trigger requests to restricted network infrastructure to gain insight about topology and running services. We now respect possible IPV4-mapped IPv6 addresses when checking if contained in a deny-list. No publicly available exploits are known.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

服务端请求伪造(SSRF)

Open-Xchange OX App Suite 代码问题漏洞

Open-Xchange OX App Suite是德国Open-Xchange公司的一个电子邮件及生产力套件客户端软件。 Open-Xchange OX App Suite存在安全漏洞，该漏洞源于IPv4 映射的 IPv6 地址未被代码识别为local地址，攻击者利用该漏洞可以绕过现有的拒绝列表功能。

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