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Ubuntu: Security update for MoinMoin

It was discovered that MoinMoin did not properly sanitize certain input, resulting in a cross-site scripting (XSS) vulnerability. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data, within the same domain. It was discovered that MoinMoin incorrectly handled group names that contain virtual group names such as “All”, “Known” or “Trusted”. This could result in a remote user having incorrect permissions.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1604-1
October 11, 2012

moin vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in MoinMoin.

Software Description:
- moin: Collaborative hypertext environment

Details:

It was discovered that MoinMoin did not properly sanitize certain input,
resulting in a cross-site scripting (XSS) vulnerability. With cross-site
scripting vulnerabilities, if a user were tricked into viewing server
output during a crafted server request, a remote attacker could exploit
this to modify the contents, or steal confidential data, within the same
domain. (CVE-2011-1058)

It was discovered that MoinMoin incorrectly handled group names that
contain virtual group names such as "All", "Known" or "Trusted". This could
result in a remote user having incorrect permissions. (CVE-2012-4404)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 LTS:
 python-moinmoin                 1.9.3-1ubuntu2.1

Ubuntu 11.10:
 python-moinmoin                 1.9.3-1ubuntu1.11.10.1

Ubuntu 11.04:
 python-moinmoin                 1.9.3-1ubuntu1.11.04.1

Ubuntu 10.04 LTS:
 python-moinmoin                 1.9.2-2ubuntu3.2

In general, a standard system update will make all the necessary changes.

References:
 http://www.ubuntu.com/usn/usn-1604-1
 CVE-2011-1058, CVE-2012-4404

Package Information:
 https://launchpad.net/ubuntu/+source/moin/1.9.3-1ubuntu2.1
 https://launchpad.net/ubuntu/+source/moin/1.9.3-1ubuntu1.11.10.1
 https://launchpad.net/ubuntu/+source/moin/1.9.3-1ubuntu1.11.04.1
 https://launchpad.net/ubuntu/+source/moin/1.9.2-2ubuntu3.2
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