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Secunia Security Advisory 40127

Secunia Security Advisory 40127
Posted Jun 30, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Secunia Research has discovered some vulnerabilities in the CKForms component for Joomla, which can be exploited by malicious people to conduct SQL injection attacks and compromise a vulnerable system.

tags | advisory, vulnerability, sql injection
SHA-256 | 8ab724c882b533fcc85fc5ad6cf2512c728eac408f9f94825333d9fb3ef8f215

Secunia Security Advisory 40127

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TITLE:
Joomla CKForms Component Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA40127

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40127/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40127

RELEASE DATE:
2010-06-30

DISCUSS ADVISORY:
http://secunia.com/advisories/40127/#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/40127/

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=40127

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 some vulnerabilities in the CKForms
component for Joomla, which can be exploited by malicious people to
conduct SQL injection attacks and compromise a vulnerable system.

1) Input passed via the "articleid" parameter to index.php (when
"option" is set to "com_ckforms", "view" is set to "ckforms", "task"
is set to "send", and "id" is set to a valid form id) 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 the "Save result" is enabled in
the form's configuration (disabled by default).

2) Input passed via the "sortd" parameter to index.php (when "option"
is set to "com_ckforms", "view" is set to "ckformsdata", "layout" is
set to "data", and "id" is set to "f") is not properly sanitised
before being used in a SQL query. This can be exploited to manipulate
SQL queries by injecting arbitrary SQL code.

3) The "CkformsModelCkforms::saveData()" method in models/ckforms.php
allows uploading of files with arbitrary extensions to a folder inside
the web root. This can be exploited to execute arbitrary PHP code by
uploading a PHP file.

Successful exploitation requires the "fileupload" field to be
configured.

NOTE: The stored file name is based on the original file name and a
time stamp, which is predictable.

The vulnerabilities are confirmed in version 1.3.4. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.
Change the "Uploaded files path" setting to a directory outside of
the web root.

PROVIDED AND/OR DISCOVERED BY:
Secunia Research

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2010-81/
http://secunia.com/secunia_research/2010-82/

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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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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