CVE-2023-38700
Low
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.
SeverityLow
CVSS3.5
Exploit probability—
ProductMatrix Irc Bridge
PublishedAug 4, 2023
First seenAug 4, 2023
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- matrix matrix_irc_bridge1.0.1 or later
- matrix-appservice-irc1.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| matrix matrix_irc_bridge | v < 1.0.1 | 1.0.1 |
| matrix-appservice-ircnpm | v < 1.0.1 | 1.0.1 |
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