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TITLE:
KaiBB Cross-Site Scripting and SQL Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA45311

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45311/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45311

RELEASE DATE:
2011-10-21

DISCUSS ADVISORY:
http://secunia.com/advisories/45311/#comments

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

http://secunia.com/advisories/45311/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=45311

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 KaiBB,
which can be exploited by malicious users to conduct SQL injection
attacks and by malicious people to conduct cross-site scripting
attacks.

1) Input passed via the "Referer" HTTP header to index.php and
acp/index.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.

Successful exploitation of this vulnerability requires that the
victim uses a browser that does not URL-encode the request (e.g.
Internet Explorer 6).

2) Input passed via the "checkbox" POST parameter to index.php (when
"s" is set to "viewtopic" and "delete_posts" and "confirmed" are set)
is not properly sanitised in core/topic.php 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 a moderator
account.

3) Input passed via the "checkbox" POST parameter to index.php (when
"s" is set to "mail") is not properly sanitised in core/mail.php
before being used in SQL queries. This can be exploited to manipulate
SQL queries by injecting arbitrary SQL code.

Successful exploitation of vulnerabilities #2 and #3 requires that
"magic_quotes_gpc" is disabled.

4) Input passed via the "attachment" parameter when uploading a file
through a webform is not properly sanitised in inc/function.php
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 permissions to
upload files.

The vulnerabilities are confirmed in version 2.0.1. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

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

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2011-73/
http://secunia.com/secunia_research/2011-74/

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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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.

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Definitions: (Criticality, Where etc.)
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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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