CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2023-38690
Critical (9.8) in matrix matrix irc bridge. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in matrix-appservice-irc 1.0.1.
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.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-20, CWE-77
- Published
- Modified
- Record from
- the NVD, synced
Affected
- matrix:matrix_irc_bridge
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-3pmj-jqqp-2mj3 | npm | matrix-appservice-irc | <1.0.1 | 1.0.1 |
References
- https://github.com/matrix-org/matrix-appservice-irc/commit/0afb064635d37e039067b5b3d6423448b93026d3
- https://github.com/matrix-org/matrix-appservice-irc/releases/tag/1.0.1
- https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-3pmj-jqqp-2mj3
- https://github.com/matrix-org/matrix-appservice-irc/commit/0afb064635d37e039067b5b3d6423448b93026d3
- https://github.com/matrix-org/matrix-appservice-irc/releases/tag/1.0.1