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Category: Application (Database) > PostgreSQL

Vendors: postgresql.org

(Conectiva Issues Fix) PostgreSQL Buffer Overflow in pg_to_ascii() May Let Remote Users Execute Arbitrary Code

SecurityTracker Alert ID: 1008186

CVE Reference: CAN-2003-0901 (Links to External Site)

Date: Nov 14 2003

Impact: Execution of arbitrary code via network, User access via network

Fix Available: Yes Vendor Confirmed: Yes

Version(s): 7.2, 7.3

Description: Two buffer overflow vulnerabilities were reported in PostgreSQL. A remote user may be able to execute arbitrary code.

In July 2003, some buffer overflow vulnerabilities were reported in PostgreSQL in the pg_to_ascii() function in 'ascii.c'. A remote user may be able to connect to the database service and execute arbitrary code.

Impact: A remote user may be able to execute arbitrary code with the privileges of the postgresql service.

Vendor URL: www.postgresql.org/ (Links to External Site)

Cause: Boundary error

Underlying OS: Linux (Conectiva)

Underlying OS Comments: 7.0, 8, 9

Reported By: Conectiva Updates <secure@conectiva.com.br>

Message History: This archive entry is a follow-up to the message listed below.

Oct 28 2003

PostgreSQL Buffer Overflow in pg_to_ascii() May Let Remote Users Execute Arbitrary Code

Source Message Contents

Date: Thu, 13 Nov 2003 15:13:19 -0200
From: Conectiva Updates <secure@conectiva.com.br>
Subject: [conectiva-updates] [CLA-2003:784] Conectiva Security Announcement - postgresql

 

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Hash: SHA1

- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT 
- --------------------------------------------------------------------------

PACKAGE   : postgresql
SUMMARY   : Buffer overflow vulnerability
DATE      : 2003-11-13 14:59:00
ID        : CLA-2003:784
RELEVANT
RELEASES  : 7.0, 8, 9

- -------------------------------------------------------------------------

DESCRIPTION
 PostgreSQL[1] is a sophisticated relational database which supports
 almost all SQL constructs, including subselects, transactions and
 user-defined types and functions.
 
 Guido Notari reported a buffer overflow vulnerability[2][3] in the
 to_ascii() function that could possibly be used by attackers to
 execute arbitrary code. This vulnerability was fixed by Tom Lane who,
 later on, according to CVS changelogs[4], found another buffer
 overflow problem in the same function which was also fixed.


SOLUTION
 It is recommended that all PostgreSQL users upgrade their packages.
 After the upgrade, it is necessary to manually restart the postgresql
 service if it was already running. To do so, run the following
 command as root:
 
 /sbin/service postgresql restart
 
 
 REFERENCES
 1.http://www.postgresql.com/
 2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0901
 3.http://www.securityfocus.com/bid/8741
 4.http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/adt/ascii.c


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/postgresql-7.1.3-1U70_4cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-clients-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-clients-X11-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-contrib-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-devel-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-devel-static-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-doc-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-lib-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-odbc-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-perl-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-python-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-tcl-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/postgresql-test-7.1.3-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/postgresql-7.2.4-1U80_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-clients-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-clients-X11-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-contrib-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-devel-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-devel-static-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-doc-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-lib-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-odbc-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-perl-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-python-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-tcl-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/postgresql-test-7.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/postgresql-7.3.2-27694U90_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-charset-addons-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-clients-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-contrib-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-devel-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-devel-static-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-doc-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-libecpg3.4-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-libpq3-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-perl-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-python-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-tcl-7.3.2-27694U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/postgresql-test-7.3.2-27694U90_1cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 The apt tool can be used to perform RPM packages upgrades:

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions reagarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

- -------------------------------------------------------------------------
All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
Copyright (c) 2003 Conectiva Inc.
http://www.conectiva.com

- -------------------------------------------------------------------------
subscribe: conectiva-updates-subscribe@papaleguas.conectiva.com.br
unsubscribe: conectiva-updates-unsubscribe@papaleguas.conectiva.com.br
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