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Secunia Security Advisory 38105

Secunia Security Advisory 38105
Posted Jan 6, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Ignacio Garrido has discovered some vulnerabilities in LineWeb, which can be exploited by malicious people to disclose sensitive information and bypass certain security restrictions.

tags | advisory, vulnerability
SHA-256 | e8d8298fd1ebaeaa6cd7880c0250dd049170c4e3938f4d814fb9c94ec1d472c6

Secunia Security Advisory 38105

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TITLE:
LineWeb File Inclusion and Security Bypass

SECUNIA ADVISORY ID:
SA38105

VERIFY ADVISORY:
http://secunia.com/advisories/38105/

DESCRIPTION:
Ignacio Garrido has discovered some vulnerabilities in LineWeb, which
can be exploited by malicious people to disclose sensitive information
and bypass certain security restrictions.

1) Input passed to the "op" parameter in index.php and
admin/index.php is not properly sanitised before being used to
include files. This can be exploited to include arbitrary files from
local resources via directory traversal attacks and URL-encoded NULL
bytes.

Successful exploitation requires that "magic_quotes_gpc" is
disabled.

2) The application allows unrestricted access to the
admin/add_news.php, admin/delete_downloads.php, admin/edit_ads.php,
admin/edit_downloads.php, and admin/edit_news.php scripts. This can
be exploited to e.g. add new news articles, delete downloads, edit
ads, edit downloads, or edit news articles.

The vulnerabilities are confirmed in version 1.0.5. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.
Restrict access to the admin/add_news.php,
admin/delete_downloads.php, admin/edit_ads.php,
admin/edit_downloads.php, and admin/edit_news.php scripts (e.g. via
.htaccess).

PROVIDED AND/OR DISCOVERED BY:
Ignacio Garrido

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/bugtraq/2010-01/0022.html

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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