CVE number: CVE-2015-1306
Possibility to access files on the server filesystem.
All Sympa branches are affected.
In branch 6.0, all versions prior to 6.0.10
In branch 6.1, all versions prior to 6.1.24
A vulnerability have been discovered in Sympa web interface that allows access to files on the server filesystem.
This breach allows to send to a list or a user any file readable by the Sympa user, located on the server filesystem, using the Sympa web interface newsletter posting area.
Users who can’t upgrade to the latest versions have the following workaround solution: prevent mail sending through the web interface.
copy </home_sympa>/default/web_tt2/compose_mail.tt2 to </home_sympa>/etc/web_tt2/compose_mail.tt2
Replace content of the file by an HTML fragment telling that posting through the web interface has been temporarily forbidden for security reasons.
Older versions are no longer maintained. Users of this version should upgrade to 6.1.24 or 6.0.10 to prevent potential attacks.
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