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wiki.debian.org security breach

Dear editors of the Debian wiki,

The Debian Security Team recently issued Debian Security Announcement
2593-1 [1] regarding the 'moin' package [2] and a remote arbitrary
code execution vulnerability in the twikidraw / anywikidraw
components. Debian's wiki [3] is implemented using 'moin' and includes
support for the twikidraw component.

A review of the apache2 log files for wiki.debian.org reveal that this
vulnerability was exploited successfully. As a consequence, the
wiki.debian.org service has been moved from the old server to a new
server using the fixed package and with a corresponding restructuring
of the deployment methodology.

We are currently conducting an audit of the old server to determine
the extent of the penetration. At this time, we have no evidence to
indicate that the intrusion was particularly successful (logs have not
been altered; root escalation has not been detected). That said, the
audit is ongoing. Should the audit reveal a greater penetration than
currently understood, a follow-up email detailing our findings will be

At this time, we are resetting all wiki account passwords for
safety. Existing wiki account holders will need to follow the password
recovery process [4] in order to regain access to their accounts. We
apologise for the inconvenience to users.

If you have any questions or concerns, please contact the Debian Wiki
Administrator Team [5] and/or the Debian System Administration Team [6].

Finally, we'd like to thank Peter Palfrader for reacting quickly to
the Debian Security Announcement, taking time away from his conference
to move wiki.debian.org to the new server.

With kind regards,
Steve McIntyre for the Debian Wiki Administrator Team
Luca Filipozzi for the Debian System Administration Team

[1] http://www.debian.org/security/2012/dsa-2593
[2] http://packages.qa.debian.org/m/moin.html
[3] http://wiki.debian.org
[4] http://wiki.debian.org/FrontPage?action=recoverpass
[5] debian-www@lists.debian.org
[6] debian-admin@debian.org

Steve McIntyre                                        93sam@debian.org
Debian wiki admin - wiki.debian.org

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