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MoinMoin: Group ACL bypass


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200408-25 / MoinMoin
Release Date August 26, 2004
Latest Revision May 22, 2006: 02
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
www-apps/moinmoin <= 1.2.2 >= 1.2.3 All supported architectures

Related bugreports: #57913


MoinMoin contains a bug allowing anonymous users to bypass ACLs (Access Control Lists) and carry out operations that should be limited to authorized users.

2.  Impact Information


MoinMoin is a Python clone of WikiWiki, based on PikiPiki.


MoinMoin contains two unspecified bugs, one allowing anonymous users elevated access when not using ACLs, and the other in the ACL handling in the PageEditor.


Restrictions on anonymous users were not properly enforced. This could lead to unauthorized users gaining administrative access to functions such as "revert" and "delete". Sites are vulnerable whether or not they are using ACLs.

3.  Resolution Information


There is no known workaround.


All users should upgrade to the latest available version of MoinMoin, as follows:

Code Listing 3.1: Resolution

# emerge sync

# emerge -pv ">=www-apps/moinmoin-1.2.3"
# emerge ">=www-apps/moinmoin-1.2.3"

4.  References


Page updated August 26, 2004

Summary: This is a Gentoo Linux Security Advisory

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