CVE-2023-38690 (GCVE-0-2023-38690)
Vulnerability from cvelistv5
Published
2023-08-04 16:31
Modified
2024-10-08 17:47
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE
  • CWE-20 - Improper Input Validation
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Summary
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.
References
Impacted products
Vendor Product Version
matrix-org matrix-appservice-irc Version: < 1.0.1
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