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Veracode Vulnerability DatabaseVERACODE:29518HistoryFeb 28, 2021 - 1:21 a.m.
Denial Of Service (DoS)
2021-02-2801:21:52
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
13
matrix-synapse
vulnerability
denial of service
homeserver
.well-known file
EPSS
0.002
Percentile
54.7%
matrix-synapse is vulnerable to denial of service (DoS). The vulnerability exists as a malicious homeserver could redirect requests to their .well-known file to a large file.
References
github.com/matrix-org/synapse/commit/ff5c4da1289cb5e097902b3e55b771be342c29d6
github.com/matrix-org/synapse/pull/8950
github.com/matrix-org/synapse/releases/tag/v1.25.0
github.com/matrix-org/synapse/security/advisories/GHSA-2hwx-mjrm-v3g8
lists.fedoraproject.org/archives/list/[email protected]/message/TNNAJOZNMVMXM6AS7RFFKB4QLUJ4IFEY/
security-tracker.debian.org/tracker/CVE-2021-21274
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