CVE-2023-38690
Medium
Description
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Prior to version 1.0.1, it is possible to craft a command with newlines which would not be properly parsed. This would mean you could pass a string of commands as a channel name, which would then be run by the IRC bridge bot. Versions 1.0.1 and above are patched. There are no robust workarounds to the bug. One may disable dynamic channels in the config to disable the most common execution method but others may exist.
SeverityMedium
CVSS5.8
Exploit probability—
ProductMatrix Irc Bridge
PublishedAug 4, 2023
First seenAug 4, 2023
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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