CVE-2023-38700 — matrix-appservice-irc events can be crafted to leak parts of targeted messages from other bridged rooms
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted message event from…
Published: 2023-08-04 · CVSS: 3.5 · CVSS 3.1
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it was possible to craft an event such that it would leak part of a targeted message event from another bridged room. This required knowing an event ID to target. Version 1.0.1n fixes this issue. As a workaround, set the `matrixHandler.eventCacheSize` config value to `0`. This workaround may impact performance.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7