Advisory ID: HTB23092 Product: Serendipity Vendor: Serendipity Team Vulnerable Version(s): 1.6.1 and probably prior Tested Version: 1.6.1 Vendor Notification: 16 May 2012 Vendor Patch: 16 May 2012 Public Disclosure: 6 June 2012 Vulnerability Type: SQL injection CVE Reference: CVE-2012-2762 CVSSv2 Base Score: 7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Solution Status: Fixed by Vendor Risk Level: High Credit: High-Tech Bridge SA Security Research Lab ( https://www.htbridge.com/advisory/ ) ----------------------------------------------------------------------------------------------- Advisory Details: High-Tech Bridge SA Security Research Lab has discovered vulnerability in Serendipity, which can be exploited to perform SQL injection attacks. 1) SQL injection in Serendipity 1.1 Input passed via the "url" GET parameter to comment.php is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code. The following PoC (Proof of Concept) demonstrates the vulnerability: http://[host]/comment.php?type=trackback&entry_id=1&url=%27%20OR%20mid%28version%28%29,1,1%29=5%20--%202 Successful exploitation of this vulnerability requires that "magic_quotes_gpc" is off. ----------------------------------------------------------------------------------------------- Solution: Upgrade to Serendipity 1.6.2 More Information: http://blog.s9y.org/archives/241-Serendipity-1.6.2-released.html https://github.com/s9y/Serendipity/commit/87153991d06bc18fe4af05f97810487c4a340a92#diff-1 ----------------------------------------------------------------------------------------------- References: [1] High-Tech Bridge Advisory HTB23092 - https://www.htbridge.com/advisory/HTB23092 - SQL injection in Serendipity. [2] Serendipity - http://s9y.org/ - PHP-powered, flexible Blogging/CMS application. [3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures. ----------------------------------------------------------------------------------------------- Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.