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Python "repr()" Unicode String Buffer Overflow Vulnerability Advisory Available in Danish 

Secunia Advisory: SA22276  
Release Date: 2006-10-07
Last Update: 2006-10-12

Critical:
Moderately critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Python 2.2.x
Python 2.3.x
Python 2.4.x

CVE reference:CVE-2006-4980 (Secunia mirror)

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Description:
A vulnerability has been reported in Python, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

The vulnerability is caused due to incorrect handling of UTF32/UCS-4 encoded strings within the "repr()" function. If an application uses the "repr()" function to process attacker supplied data, this can potentially be exploited to execute arbitrary code.

Solution:
Update to version 2.5.

Provided and/or discovered by:
Benjamin C. Wiley Sittler

Changelog:
2006-10-12: Added Python 2.2.x and link to Python Security Advisory.

Original Advisory:
Python Security Advisory:
http://www.python.org/news/security/PSF-2006-001/

Python CVS commit:
http://sourceforge.net/tracker/index....585&group_id=5470&atid=305470



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.

6 Related Secunia Security Advisories

1. Python imageop "tovideo()" Integer Overflow Security Issue
2. Python "PyLocale_strxfrm()" Off-By-One Information Disclosure
3. Python PCRE Integer Overflow Vulnerability
4. Python SimpleXMLRPCServer Library Module Vulnerability
5. Python DNS Response Buffer Overflow Vulnerability
6. Python Documentation Server Cross-Site Scripting


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