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=========================================================== Ubuntu Security Notice USN-458-1 May 07, 2007 moin vulnerabilities CVE-2007-2423 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: python2.4-moinmoin 1.5.2-1ubuntu2.3 Ubuntu 6.10: python2.4-moinmoin 1.5.3-1ubuntu1.3 Ubuntu 7.04: python-moinmoin 1.5.3-1.1ubuntu3.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: A flaw was discovered in MoinMoin's error reporting when using the AttachFile action. By tricking a user into viewing a crafted MoinMoin URL, an attacker could execute arbitrary JavaScript as the current MoinMoin user, possibly exposing the user's authentication information for the domain where MoinMoin was hosted. (CVE-2007-2423) Flaws were discovered in MoinMoin's ACL handling for calendars and includes. Unauthorized users would be able to read pages that would otherwise be unavailable to them.