PostgreSQL Database Link library (dblink) command execution
| postgresql-dblink-command-execution (35145) |  Medium Risk |
Description:
PostgreSQL could allow an authenticated remote attacker with superuser privileges to execute arbitrary commands on the system, caused by a vulnerability in the Database Link library (dblink). If dblink is enabled, a remote attacker could exploit this vulnerability to execute arbitrary shell commands.
Platforms Affected:
- MandrakeSoft, Mandrake Linux 2007
- MandrakeSoft, Mandrake Linux 2007 X86_64
- MandrakeSoft, Mandrake Linux 2007.1
- MandrakeSoft, Mandrake Linux 2007.1 X86_64
- MandrakeSoft, Mandrake Linux 2008.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- PostgreSQL, PostgreSQL 8.1
Remedy:
For Mandriva Linux:
Refer to MDKSA-2007:188 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Gain Privileges
References:
- BugTraq Mailing List, Mon Jun 18 2007 - 07:56:56 CDT, Re: Having Fun With PostgreSQL at http://archives.neohapsis.com/archives/bugtraq/2007-06/0223.html.
- BugTraq Mailing List, Sat Jun 16 2007 - 12:11:47 CDT, Having Fun With PostgreSQL at http://archives.neohapsis.com/archives/bugtraq/2007-06/0210.html.
- PostgreSQL Web site, PostgreSQL: The world's most advanced open source database at http://www.postgresql.org/.
- CVE-2007-3280: 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.
- MDKSA-2007:188: Updated postgresql packages prevent access abuse using dblink
Reported:
Jun 16, 2007
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