National Cyber-Alert 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):
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:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- 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: BUGTRAQ
Name: 20070616 Having Fun With PostgreSQL
External Source: MISC
Name: http://www.portcullis.co.uk/uplds/whitepapers/Having_Fun_With_PostgreSQL.pdf
External Source: MISC
Name: http://www.leidecker.info/pgshell/Having_Fun_With_PostgreSQL.txt
External Source: OSVDB
Name: 40901
External Source: XF
Name: postgresql-dblink-command-execution(35145)
External Source: MANDRIVA
Name: MDKSA-2007:188