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.
*CVSS:
| Base Score: | 3.4 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 2.5 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Privileges
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.
References:
- BugTraq Mailing List, Mon Jun 18 2007 - 07:56:56 CDT: Re: Having Fun With PostgreSQL.
- BugTraq Mailing List, Sat Jun 16 2007 - 12:11:47 CDT: Having Fun With PostgreSQL.
- PostgreSQL Web site: PostgreSQL: The world's most advanced open source database.
- 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
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 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- PostgreSQL PostgreSQL 8.1
Reported:
Jun 16, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.