The SimpleXMLRPCServer library module in Python 2.2, 2.3 before 2.3.5, and 2.4, when used by XML-RPC servers that use the register_instance method to register an object without a _dispatch method, allows remote attackers to read or modify globals of the associated module, and possibly execute arbitrary code, via dotted attributes.
marc.info/?l=bugtraq&m=110746469728728&w=2
python.org/security/PSF-2005-001/patch-2.2.txt
secunia.com/advisories/14128
securitytracker.com/id?1013083
www.debian.org/security/2005/dsa-666
www.mandriva.com/security/advisories?name=MDKSA-2005:035
www.python.org/security/PSF-2005-001/
www.redhat.com/support/errata/RHSA-2005-108.html
www.securityfocus.com/bid/12437
www.trustix.org/errata/2005/0003/
exchange.xforce.ibmcloud.com/vulnerabilities/19217
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9811