Vulnerability Information
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Vulnerability Title
Denial of service (via resource exhaustion) due to improper input validation on third-party identifier endpoints
Vulnerability Description
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.28.0 Synapse is missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. Note that the groups feature is not part of the Matrix specification and the chosen maximum lengths are arbitrary. Not all clients might abide by them. Refer to referenced GitHub security advisory for additional details including workarounds.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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。 Synapse 1.28.0版本之前存在安全漏洞，该漏洞源于Synapse缺少对端点上用于确认第三方标识符的某些参数的输入验证，可能会导致磁盘空间和内存的过度使用，从而导致资源耗尽。
CVSS Information
N/A
Vulnerability Type
N/A