En resumen
- CVE-2023-38700 es una vulnerabilidad BAJO (CVSS 3.7) que afecta a matrix irc bridge (matrix), matrix-appservice-irc.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.60%, mayor que el 48.7% de las vulnerabilidades.
- Solución: actualizar a 1.0.1 o posterior.
Description
Impact
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.
Patches
Please upgrade to 1.0.1.
Workarounds
You can set the matrixHandler.eventCacheSize config value to 0 to workaround this bug. However, this may impact performance.
Credits
Discovered and reported by Val Lorentz.
For more information
If you have any questions or comments about this advisory email us at [email protected].
NVD description
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.
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