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[ GLSA 200409-03 ] Python 2.2: Buffer overflow in getaddrinfo()
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GLSA
Bodhisattva
Bodhisattva


Joined: 25 Feb 2003
Posts: 3827
Location: Essen, Germany

PostPosted: Thu Sep 02, 2004 9:12 pm    Post subject: [ GLSA 200409-03 ] Python 2.2: Buffer overflow in getaddrinf Reply with quote

Gentoo Linux Security Advisory

Title: Python 2.2: Buffer overflow in getaddrinfo() (GLSA 200409-03)
Severity: high
Exploitable: remote
Date: September 02, 2004
Bug(s): #62440
ID: 200409-03

Synopsis

Python 2.2 has a vulnerability in DNS handling when IPV6 is disabled and a malformed IPV6 address is encountered by getaddrinfo().

Background

Python is an interpreted, interactive, object-oriented, cross-platform programming language.

Affected Packages

Package: dev-lang/python
Vulnerable: < 2.2.2
Unaffected: >= 2.2.2
Unaffected: < 2.2
Architectures: All supported architectures


Description

If IPV6 is disabled in Python 2.2, getaddrinfo() is not able to handle IPV6 DNS requests properly and a buffer overflow occurs.

Impact

An attacker can execute arbitrary code as the user running python.

Workaround

Users with IPV6 enabled are not affected by this vulnerability.

Resolution

All Python 2.2 users should upgrade to the latest version:
Code:
# emerge sync
# emerge -pv ">=dev-lang/python-2.2.2"
# emerge ">=dev-lang/python-2.2.2"


References

CVE-2004-0150
OSVDB:4172


Last edited by GLSA on Thu Mar 08, 2007 4:16 am; edited 3 times in total
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