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MultiChat v1.8 Security Vulnerability

Critical
OllieMartin published GHSA-8gx6-q8p3-qh74 May 2, 2020

Package

multichat-1.8.jar

Affected versions

1.8

Patched versions

>= 1.8.1

Description

Impact

SQL Injection. All servers running 1.8 are vulnerable. A user could inject SQL code using the nicknames system. Particularly with the /nick command. This could result in the entire database being corrupted or damaged.

Patches

All users of MultiChat 1.8 should update immediately to 1.8.1

Workarounds

Do not use the SQL database function. Or limit the use of the /nick, /realname and /username commands to trusted staff members.

References

https://github.com/MultiChat/Development/releases/tag/v1.8.1

For more information

If you have any questions or comments about this advisory:

Severity

Critical

CVE ID

No known CVE

Weaknesses

No CWEs