CVE-2018-12291
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductMatrix Synapse
PublishedJun 13, 2018
First seenJun 13, 2018
How to fix
Update
- matrix synapse0.31.1 or later
- matrix-synapse0.31.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| matrix synapse | v < 0.31.1 | 0.31.1 |
| matrix-synapsePyPI | v < 0.31.1 | 0.31.1 |
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