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Security advisories

This page references the security advisories regarding Sympa.

2012-001 Security breaches in archives management

1. Threat

Possibility to bypass the authorization mechanisms in the archive management page.

2. Systems Affected

All Sympa branches are affected.

  • In branch 6.0, all versions prior to 6.0.7
  • In branch 6.1, all versions prior to 6.1.11

3. Summary

Multiple vulnerabilities have been discovered in Sympa archive management that allow to skip the scenario-based authorization mechanisms.

This breach allows to:

  • display the archives management page ('arc_manage');
  • download the list's archives;
  • delete the list's archives.

4. Solution

Users who can't upgrade to the latest versions have the following workaround solution: preventing, through web server configuration, to access the archive management,

Older versions are no longer maintained. Users of this version should upgrade to 6.1.11 or 6.0.7 to prevent potential attacks.

5 - Links

2015-001 Security breaches in newsletter posting

1. Threat

Possibility to access files on the server filesystem.

2. Systems Affected

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

3. Summary

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.

4. Solution

Users who can't upgrade to the latest versions have the following workaround solution: prevent mail sending through the web interface.

  1. copy </home_sympa>/default/web_tt2/compose_mail.tt2 to </home_sympa>/etc/web_tt2/compose_mail.tt2
  2. 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Older versions are no longer maintained.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.

5 - Links

security_advisories.txt · Last modified: 2015/01/15 16:24 by david.verdin@renater.fr

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