| Name | CVE-2018-12291 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 901293 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| matrix-synapse (PTS) | trixie | 1.100.0-1 | fixed |
| sid | 1.103.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| matrix-synapse | source | (unstable) | 0.31.1+dfsg-1 | | | 901293 |
Notes
https://github.com/matrix-org/synapse/pull/3371
https://github.com/matrix-org/synapse/commit/0834b49c6a9b6c597a154d4b2dfcf8fff90699ec
https://matrix.org/blog/2018/06/08/synapse-0-31-1-released/