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Python SimpleXMLRPCServer Library Module Vulnerability
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Secunia Advisory:
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SA14128
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Release Date:
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2005-02-04
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Critical:
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Moderately critical
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Impact:
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Security Bypass
Manipulation of data
Exposure of sensitive information
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Python 2.2.x
Python 2.3.x
Python 2.4.x
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| | CVE reference: | CVE-2005-0089 (Secunia mirror)
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Description:
Graham Dumpleton has reported a vulnerability in Python, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to an error in the SimpleXMLRPCServer library module, where the internals of registered objects or modules are not properly protected. This may be exploited to disclose and modify sensitive information and potentially execute arbitrary code.
Successful exploitation requires that a vulnerable XML-RPC server registers an object via the "register_instance()" method without a "_dispatch()" method.
The vulnerability has been reported in all versions of 2.2, 2.3 versions prior to 2.3.5, and in version 2.4.
Solution:
Apply patches.
Version 2.2:
http://www.python.org/security/PSF-2005-001/patch-2.2.txt
Versions 2.3 and 2.4:
http://www.python.org/security/PSF-2005-001/patch.txt
The vulnerability will also be fixed in versions 2.3.5 and 2.4.1.
Provided and/or discovered by:
Graham Dumpleton
Original Advisory:
http://www.python.org/security/PSF-2005-001/
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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