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TITLE:
Minimal Ablog Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA32886

VERIFY ADVISORY:
http://secunia.com/advisories/32886/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Manipulation of data, System access

WHERE:
>From remote

SOFTWARE:
Minimal Ablog 0.x
http://secunia.com/advisories/product/20635/

DESCRIPTION:
NoGe has discovered some vulnerabilities in Minimal Ablog, which can
be exploited by malicious people to conduct SQL injection attacks,
bypass certain security restrictions, or compromise a vulnerable
system.

1) Input passed to the "id" parameter in index.php is not properly
sanitised before being used in SQL queries. This can be exploited to
manipulate SQL queries by injecting arbitrary SQL code.

2) The problem is that administrative scripts placed in the "admin/"
directory can be accessed without valid credentials. This can be
exploited to e.g. change the administrator's password or upload
arbitrary files.

Successful exploitation allows execution of arbitrary script code on
certain configurations (e.g. if running an Apache server with
"mod_mime" enabled) by uploading files with multiple extensions.

The vulnerabilities are confirmed in version 0.4. Other versions may
also be affected.

SOLUTION:
Restrict access to the "admin/" directory (e.g. via ".htaccess").

Filter malicious characters and character sequences in a web proxy.

PROVIDED AND/OR DISCOVERED BY:
NoGe

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7306

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