CVE-2012-4404 MoinMoin Improper Access Control

Medium 6.0 Published Updated

Authenticated users with virtual group membership can bypass access controls to gain unauthorized group privileges in MoinMoin Wiki.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2012-4404?

CVE-2012-4404 is a medium-severity authentication bypass vulnerability in n/a, published on 10 Sep 2012. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

security/__init__.py in MoinMoin 1.9 through 1.9.4 does not properly handle group names that contain virtual group names such as "All," "Known," or "Trusted," which allows remote authenticated users with virtual group membership to be treated as a member of the group.

Weakness: CWE-264

Which versions are affected by CVE-2012-4404?

3 open source packages ship an affected version, including moin. It affects 1 product.

PackageAffectedFixed in
moin PyPIFrom 1.91.9.5
moin PyPIFrom 1.91.9.5
moin PyPIFrom 1.91.9.5

Products include Moinmo Moinmoin.

How do I fix CVE-2012-4404?

Upgrade moin to 1.9.5 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2012-4404 being exploited?

There is no known exploitation of CVE-2012-4404 in the wild and no public exploit code.

Sources

Also known as DSA-2538-1, GHSA-g4mx-rm5q-vh24, PYSEC-2012-10.

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