漏洞信息
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Vulnerability Title
Synapse Outgoing federation to specific hosts can be disabled by sending malicious invites
Vulnerability Description
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disabled are not affected. In versions of Synapse up to and including 1.73, Synapse did not limit the size of `invite_room_state`, meaning that it was possible to create an arbitrarily large invite event. Synapse 1.74 refuses to create oversized `invite_room_state` fields. Server operators should upgrade to Synapse 1.74 or newer urgently.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Vulnerability Type
输入验证不恰当
Vulnerability Title
Matrix Synapse 输入验证错误漏洞
Vulnerability Description
Matrix Synapse是英国Matrix基金会的一款矩阵管理服务器的实现。 Matrix Synapse 存在安全漏洞,该漏洞源于Synapse 主服务器 X 上有权创建某些状态事件的恶意用户可以禁用从 X 到任意主服务器 Y 的出站联合。
CVSS Information
N/A
Vulnerability Type
N/A