Secunia

Ellipsis Security has discovered a vulnerability and a security issue in BLOG:CMS, which can be exploited by malicious people to bypass certain security restrictions and to conduct SQL injection attacks.

1) Input passed via the URL query parameter in index.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.

Successful exploitation requires that "magic_quotes_gpc" is disabled.

2) The problem is caused due to improper restrictions to photo/thumb.php. This can be exploited to store arbitrary thumbnails created from local or external images via the "image" parameter.

The vulnerabilities have been confirmed in version 4.1.0. Other versions may also be affected.

Solution
Update to version 4.2.1c.

Provided and/or discovered by
Ellipsis Security

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