exploit the possibilities

Secunia Security Advisory 46004

Secunia Security Advisory 46004
Posted Nov 15, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Piotr Duszynski has discovered a vulnerability in PunBB, which can be exploited by malicious people to conduct cross-site scripting attacks.

tags | advisory, xss
MD5 | 8f9a986a3be3c702d67887fca3a2a090

Secunia Security Advisory 46004

Change Mirror Download
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SC World Congress, New York, USA, 16 November 2011
Visit the Secunia booth (#203) and discover how you can improve your handling of third party programs:

http://secunia.com/resources/events/sc_2011/

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TITLE:
PunBB URL Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA46004

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46004/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46004

RELEASE DATE:
2011-09-19

DISCUSS ADVISORY:
http://secunia.com/advisories/46004/#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/46004/

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=46004

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:
Piotr Duszynski has discovered a vulnerability in PunBB, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed via the URL to e.g. login.php, misc.php, delete.php,
edit.php, and profile.php (when "csrf_token" is invalid) is not
properly sanitised in include/functions.php 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 requires that the victim uses a browser that
does not URL-encode the request (e.g. Internet Explorer 6).

The vulnerability is confirmed in version 1.3.5. Other versions may
also be affected.

SOLUTION:
Update to version 1.3.6.

PROVIDED AND/OR DISCOVERED BY:
Piotr Duszynski

ORIGINAL ADVISORY:
Piotr Duszynski:
http://seclists.org/fulldisclosure/2011/Sep/158

PunBB:
http://punbb.informer.com/forums/topic/24427/multiple-xss-vulnerabilities/

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/

----------------------------------------------------------------------

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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