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CVE-2025-68667— continuwuity 安全漏洞

一分钟漏洞结论

影响对象
continuwuity continuwuity
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

continuwuity是continuwuity开源的一个家庭服务器。 continuwuity 0.5.0之前版本存在安全漏洞，该漏洞源于未验证签名请求的来源，可能导致服务器为任意成员事件进行加密签名。

AI 预测 7.5 利用难度: 较易 EPSS 0.59% · P46
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一、 漏洞 CVE-2025-68667 基础信息

漏洞信息
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Vulnerability Title
Conduit-derived homeservers are affected by a Confused Deputy and Improper Input Validation issue
来源: CVE Program / CVE List V5
Vulnerability Description
Conduit is a chat server powered by Matrix. A vulnerability that affects a number of Conduit-derived homeservers allows a remote, unauthenticated attacker to force the target server to cryptographically sign arbitrary membership events. Affected products include Conduit prior to version 0.10.10, continuwuity prior to version 0.5.0, Grapevine prior to commit `9a50c244`, and tuwunel prior to version 1.4.8. The flaw exists because the server fails to validate the origin of a signing request, provided the event's state_key is a valid user ID belonging to the target server. Attackers can forge "leave" events for any user on the target server. This forcibly removes users (including admins and bots) from rooms. This allows denial of service and/or the removal of technical protections for a room (including policy servers, if all users on the policy server are removed). Attackers can forge "invite" events from a victim user to themselves, provided they have an account on a server where there is an account that has the power level to send invites. This allows the attacker to join private or invite-only rooms accessible by the victim, exposing confidential conversation history and room state. Attackers can forge "ban" events from a victim user to any user below the victim user's power level, provided the victim has the power level to issue bans AND the target of the ban resides on the same server as the victim. This allows the attacker to ban anyone in a room who is on the same server as the vulnerable one, however cannot exploit this to ban users on other servers or the victim themself. Conduit fixes the issue in version 0.10.10. continuwuity fixes the issue in commits `7fa4fa98` and `b2bead67`, released in 0.5.0. tuwunel fixes the issue in commit `dc9314de1f8a6e040c5aa331fe52efbe62e6a2c3`, released in 1.4.8. Grapevine fixes the issue in commit `9a50c2448abba6e2b7d79c64243bb438b351616c`. As a workaround, block access to the `PUT /_matrix/federation/v2/invite/{roomId}/{eventId}` endpoint using your reverse proxy.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:L
来源: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
continuwuity 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
continuwuity是continuwuity开源的一个家庭服务器。 continuwuity 0.5.0之前版本存在安全漏洞，该漏洞源于未验证签名请求的来源，可能导致服务器为任意成员事件进行加密签名。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
continuwuity continuwuity < 0.5.0 -

二、漏洞 CVE-2025-68667 的公开POC

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三、漏洞 CVE-2025-68667 的情报信息

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CVE-2025-68667 补丁与修复 (2)

CVE-2025-68667 厂商安全公告 (1)

CVE-2025-68667 其他参考 (1)

IV. Related Vulnerabilities

Same product: continuwuity
Same vendor: continuwuity
Same weakness: CWE-20

V. Comments for CVE-2025-68667

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