[UNIX] Buffer Overflow in PostgreSQL (cash_words)
From: support@securiteam.comDate: 08/21/02
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From: support@securiteam.com To: list@securiteam.com Date: Wed, 21 Aug 2002 19:06:44 +0200 (CEST)
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Buffer Overflow in PostgreSQL (cash_words)
------------------------------------------------------------------------
SUMMARY
PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types, and
functions.
There exists a stack based buffer overflow in cash_words() function, that
potentially allows an attacker to execute malicious code.
DETAILS
How to reproduce:
psql> select cash_words('-700000000000000000000000000000');
pgReadData() -- backend closed the channel unexpectedly.
... ....
The connection to the server was lost...
Solution:
Upgrade to version 7.2.1.
ADDITIONAL INFORMATION
The information has been provided by <mailto:mordred@s-mail.com> Sir
Mordred The Traitor.
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