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Veracode Vulnerability DatabaseVERACODE:31895HistorySep 01, 2021 - 7:35 a.m.
Privilege Escalation
2021-09-0107:35:38
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
19
vulnerability
privilege escalation
unauthorized access
room id
history visibility
EPSS
0.001
Percentile
35.6%
matrix_synapse is vulnerable to privilege escalation. An unauthorised user knowing Room ID of a private room and setting room’s history visibility to shared is allowed to enumerate the room’s members, including their display names.
References
github.com/matrix-org/synapse/commit/cb35df940a
github.com/matrix-org/synapse/releases/tag/v1.41.1
github.com/matrix-org/synapse/security/advisories/GHSA-3x4c-pq33-4w3q
lists.fedoraproject.org/archives/list/[email protected]/message/2VHDEPCZ22GJFMZCWA2XZAGPOEV72POF/
lists.fedoraproject.org/archives/list/[email protected]/message/PXT7ID7DNBRN2TVTETU3SYQHJKEG6PXN/
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