Python DNS Response Buffer Overflow Vulnerability - Advisories

Python DNS Response Buffer Overflow Vulnerability

Secunia Advisory:	SA11080
Release Date:	2004-03-10

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

Software:	Python 2.2.x

CVE reference:	CVE-2004-0150 (Secunia mirror)

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Description: Sebastian Schmidt has discovered a vulnerability in Python, potentially allowing malicious people to execute arbitrary code on a vulnerable system. The problem is that the "getaddrinfo()" function contains a boundary error in the handling of certain IPv6 responses. This can potentially be exploited by malicious people by sending a maliciously crafted response from a DNS server. The vulnerability affects Python versions 2.2 through 2.2.2 configured without IPv6 support. Solution: Rebuild or update Python. http://www.python.org/download/ Provided and/or discovered by: Sebastian Schmidt



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