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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200502-09] Python: Arbitrary code execution through SimpleXMLRPCServer


Vulnerability Assessment Details

[GLSA-200502-09] Python: Arbitrary code execution through SimpleXMLRPCServer

Vulnerability Assessment Summary
Python: Arbitrary code execution through SimpleXMLRPCServer

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200502-09
(Python: Arbitrary code execution through SimpleXMLRPCServer)


Graham Dumpleton discovered that XML-RPC servers making use of the
SimpleXMLRPCServer library that use the register_instance() method to
register an object without a _dispatch() method are vulnerable to a
flaw permiting to read or modify globals of the associated module.

Impact

A remote attacker may be able to exploit the flaw in such XML-RPC
servers to execute arbitrary code on the server host with the rights of
the XML-RPC server.

Workaround

Python users that don't make use of any SimpleXMLRPCServer-based
XML-RPC servers, or making use of servers using only the
register_function() method are not affected.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0089
http://www.python.org/security/PSF-2005-001/


Solution:
All Python users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose dev-lang/python


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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