USN-1604-1: MoinMoin vulnerabilities

Ubuntu Security Notice USN-1604-1

11th October, 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


Several security issues were fixed in MoinMoin.

Software description

  • moin - Collaborative hypertext environment


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 version:

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

To update your system, please follow these instructions:

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


CVE-2011-1058, CVE-2012-4404