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7.5
CVSSv2

CVE-2019-18835

Published: 08/11/2019 Updated: 24/08/2020
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
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Vulnerability Summary

Matrix Synapse prior to 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.

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matrix synapse

Vendor Advisories

Debian CVElist Bug Report Logs: matrix-synapse: CVE-2019-18835
Debian Bug report logs - #944355 matrix-synapse: CVE-2019-18835 Package: src:matrix-synapse; Maintainer for src:matrix-synapse is Matrix Packaging Team <pkg-matrix-maintainers@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 8 Nov 2019 13:15:02 UTC Severity: important Tags: ...

References

CWE-345https://github.com/matrix-org/synapse/releases/tag/v1.5.0https://github.com/matrix-org/synapse/pull/6262https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944355https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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