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Python -- buffer overflow in socket.recvfrom_into()

Description:

Vincent Danen via Red Hat Issue Tracker reports:

A vulnerability was reported in Python's socket module, due to a boundary error within the sock_recvfrom_into() function, which could be exploited to cause a buffer overflow. This could be used to crash a Python application that uses the socket.recvfrom_info() function or, possibly, execute arbitrary code with the permissions of the user running vulnerable Python code.

This vulnerable function, socket.recvfrom_into(), was introduced in Python 2.5. Earlier versions are not affected by this flaw.

References:

Affects:

portaudit: Python -- buffer overflow in socket.recvfrom_into()

Disclaimer: The data contained on this page is derived from the VuXML document, please refer to the the original document for copyright information. The author of portaudit makes no claim of authorship or ownership of any of the information contained herein.

If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Team. Refer to "FreeBSD Security Information" for more information.


Oliver Eikemeier <eik@FreeBSD.org>