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Last updated: 9/2/2014 5:20:01 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-3280

Original release date: 06/19/2007
Last revised: 11/15/2008
Source: US-CERT/NIST

Overview

The Database Link library (dblink) in PostgreSQL 8.1 implements functions via CREATE statements that map to arbitrary libraries based on the C programming language, which allows remote authenticated superusers to map and execute a function from any library, as demonstrated by using the system function in libc.so.6 to gain shell access.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.0 (HIGH) (AV:N/AC:L/Au:S/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/28/2007)
Red Hat does not consider this do be a security issue. The ability of the superuser to execute code on behalf of the database server is an intended feature and imposes no security threat as the superuser account is restricted to the database administrator.

References to Advisories, Solutions, and Tools

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External Source: XF
Name: postgresql-dblink-command-execution(35145)
External Source: OSVDB
Name: 40901
External Source: MANDRIVA
Name: MDKSA-2007:188
External Source: MISC
Name: http://www.leidecker.info/pgshell/Having_Fun_With_PostgreSQL.txt
External Source: MISC
Name: http://www.portcullis.co.uk/uplds/whitepapers/Having_Fun_With_PostgreSQL.pdf
External Source: BUGTRAQ
Name: 20070616 Having Fun With PostgreSQL

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