Sympa through 6.2.57b.2 allows a local privilege escalation from the sympa user account to full root access by modifying the sympa.conf configuration file (which is owned by sympa) and parsing it through the setuid sympa_newaliases-wrapper executable.
github.com/sympa-community/sympa/issues/1009
github.com/sympa-community/sympa/issues/943#issuecomment-704779420
github.com/sympa-community/sympa/issues/943#issuecomment-704842235
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