| Package | Affected versions | Patched versions |
|---|---|---|
| zammad | = 6.3.0 |
In Zammad before 6.3.1, a Ruby gem bundled by Zammad is installed with world-writable file permissions. This allowed a local attacker on the server to modify the gem's files, injecting arbitrary code into Zammad processes (which run with the environment and permissions of the Zammad user).
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