CVE-2018-12291

published 2018-06-13

CVE-2018-12291: The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where…

high 7.5 CVSS 3.0

AV N AC L PR N UI N S U C H I N A N

The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
debian	matrix-synapse	< matrix-synapse 0.31.1+dfsg-1 (forky)	matrix-synapse 0.31.1+dfsg-1 (forky)
matrix	synapse	< 0.31.1	0.31.1

CVSS provenance

nvd v3.0 7.5 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

osv 7.5 HIGH