PostgreSQL Encoding-Based SQL Injection Vulnerability - Secunia Advisories - Vulnerability Intelligence

PostgreSQL Encoding-Based SQL Injection Vulnerability
Secunia Advisory:	SA20231	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2006-05-24
Last Update:	2006-05-25
Popularity:	15,685 views

Critical:	Moderately critical
Impact:	Manipulation of data
Where:	From remote
Solution Status:	Vendor Patch

Software:	PostgreSQL 7.x PostgreSQL 8.x

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2006-2313 CVE-2006-2314

Description: Two vulnerabilities have been reported in PostgreSQL, which potentially can be exploited by malicious people to conduct SQL injection attacks. The vulnerabilities are caused due to the differences in the way PostgreSQL server and non encoding-aware applications interpret SQL query strings that contain certain multi-byte characters. A non encoding-aware application may insert escape characters into a malicious query string (e.g. to escape single-quote or backslash characters), without realizing that the escape characters will be interpreted as part of a multi-byte character sequence by the server. This can be exploited to conduct SQL injection attacks by injecting certain multi-byte characters into the query string. Successful exploitation allows bypassing of SQL injection escaping code that are implemented in non encoding-aware applications. The vulnerabilities have been reported in the 7.3, 7.4, 8.0 and 8.1 branch. Solution: Update to the fixed versions. http://www.postgresql.org/download/ Version 7.3.x: Update to version 7.3.15. Version 7.4.x: Update to version 7.4.13. Version 8.0.x: Update to version 8.0.8. Version 8.1.x: Update to version 8.1.4. Provided and/or discovered by: The vendor credits Akio Ishida and Yasuo Ohgaki. Changelog: 2006-05-25: Updated credit section. Original Advisory: http://archives.postgresql.org/pgsql-announce/2006-05/msg00010.php http://www.postgresql.org/docs/techdocs.50 http://www.postgresql.org/docs/8.1/static/release-7-3-15.html http://www.postgresql.org/docs/8.1/static/release-7-4-13.html http://www.postgresql.org/docs/8.1/static/release-8-0-8.html http://www.postgresql.org/docs/8.1/static/release.html#RELEASE-8-1-4

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