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TITLE:
Wuzly Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA46163

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46163/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46163

RELEASE DATE:
2011-12-19

DISCUSS ADVISORY:
http://secunia.com/advisories/46163/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/46163/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=46163

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Secunia Research has discovered multiple vulnerabilities in Wuzly,
which can be exploited by malicious people to conduct cross-site
scripting attacks, cross-site request forgery attacks, script
insertion attacks, SQL injection attacks, disclose sensitive
information, and bypass certain security restrictions.

1) Input passed via the "Referer" header to admin/login.php and
admin/404.php is not properly sanitised before being returned to the
user. This can be exploited to execute arbitrary HTML and script code
in a user's browser session in context of an affected site.

2)  Input passed via various parameters to multiple scripts is not
properly sanitised before being returned to the user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

Examples:
http://[host]/search.php?q=[code]
http://[host]/admin/theme_settings.php?theme_name=[code]
http://[host]/admin/extension_settings.php?extension_name=[code]
http://[host]/admin/search.php?q=[code]
http://[host]/admin/comments.php?type=[code]
http://[host]/admin/pages.php?sort=[code]
http://[host]/admin/posts.php?sort=[code]
http://[host]/admin/media.php?type=[code]
http://[host]/admin/media.php?q=[code]
http://[host]/mobile/add_widget.php?sidebar=[code]
http://[host]/mobile/widgets.php?sidebar=[code]
http://[host]/mobile/category_delete.php?id=[code]
http://[host]/mobile/comment.php?id=[code]
http://[host]/mobile/page_delete.php?id=[code]
http://[host]/mobile/post_delete.php?id=[code]
http://[host]/mobile/media.php?type=[code]
http://[host]/mobile/widget_delete.php?id=[code]
http://[host]/mobile/widget_delete.php?sidebar=[code]
http://[host]/index.php?name=[code]
http://[host]/index.php?email=[code]
http://[host]/index.php?website=[code]
http://[host]/index.php?comment=[code]

3) The application's web interface allows users to perform certain
actions via HTTP requests without performing any validity checks to
verify the requests. This can be exploited to e.g. add an
administrator and conduct script insertion and SQL injection attacks
by tricking a logged in administrator into visiting a malicious web
site.

4) Input passed via the "username" parameter to admin/login.php is
not properly sanitised before being used. This can be exploited to
insert arbitrary HTML and script code, which will be executed in a
user's browser session in context of an affected site when the
malicious data is being viewed.

5) Input passed to the "preview" parameter to index.php is not
properly verified in blog_system/data_functions.php before being used
to include files. This can be exploited to include arbitrary files
from local resources via Base64-encoded directory traversal attacks
and NULL bytes.

6) Input passed via the "u" parameter to admin/fp.php, the "epage"
parameter to admin/newpage.php, and the "epost" parameter to
admin/newpost.php is not properly sanitised before being used in SQL
queries. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

Successful exploitation of this vulnerability requires that
"magic_quotes_gpc" is disabled.

7) Input passed via the "username" POST parameter to admin/login.php
or mobile/login.php (when "submitted" is set to "1") is not properly
sanitised in blog_system/admin_functions.php before being used in SQL
queries. This can be exploited to manipulate SQL queries by injecting
arbitrary SQL code.

NOTE: This vulnerability can further be exploited to bypass the
authentication mechanism.

Successful exploitation of this vulnerability requires that
"magic_quotes_gpc" is disabled.

8) An error within the authentication mechanism can be exploited to
gain access to the administration section by setting the
"dXNlcm5hbWU" cookie to an arbitrary value.

The vulnerabilities are confirmed in version 2.0. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
verified. Do not browse untrusted websites or follow untrusted links
while logged in to the application. Restrict access to the "admin"
directory (e.g. via .htaccess).

PROVIDED AND/OR DISCOVERED BY:
Morten Bartvig, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2011-84/
http://secunia.com/secunia_research/2011-85/
http://secunia.com/secunia_research/2011-86/
http://secunia.com/secunia_research/2011-87/
http://secunia.com/secunia_research/2011-88/
http://secunia.com/secunia_research/2011-89/

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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