7.5 - USN-73-1

Executive Summary

Summary
Title	Python vulnerability

Informations
Name	USN-73-1	First vendor Publication	2005-02-03
Vendor	Ubuntu	Last vendor Modification	2005-02-03
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score	7.5	Attack Range	Network
Cvss Impact Score	6.4	Attack Complexity	Low
Cvss Expoit Score	10	Authentication	None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects the following Ubuntu releases:

Ubuntu 4.10 (Warty Warthog)

The following packages are affected:

python2.2 python2.3

The problem can be corrected by upgrading the affected package to version 2.2.3-10ubuntu0.1 (python2.2) and 2.3.4-2ubuntu0.1 (python2.3). After a standard system upgrade you must restart all running Python server applications that use XML-RPC to effect the necessary changes.

Details follow:

The Python developers discovered a flaw in the SimpleXMLRPCServer module. Python XML-RPC servers that used the register_instance() method to register an object, but do not have a _dispatch() method, allowed remote users to access or change function internals using the im_* and func_* attributes.