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TITLE:
PunBB SMTP Command Injection and Cross-Site Scripting

SECUNIA ADVISORY ID:
SA31219

VERIFY ADVISORY:
http://secunia.com/advisories/31219/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
PunBB 1.x
http://secunia.com/product/3700/

DESCRIPTION:
Some vulnerabilities have been reported in PunBB, which can be
exploited by malicious people to bypass certain security restrictions
or conduct cross-site scripting attacks.

1) Input passed to certain parameters in include/parser.php is not
properly sanitised before being returned to a user. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an affected site.

NOTE: Potential cross-site scripting vectors have also reportedly
been fixed in moderate.php.

2) An unspecified error can be exploited to inject arbitrary SMTP
commands.

The vulnerabilities affect versions prior to 1.2.19.

SOLUTION:
Update to version 1.2.19.
http://punbb.informer.com/downloads.php

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
1) Dan Crowley
2) Stefan Esser

ORIGINAL ADVISORY:
http://punbb.informer.com/forums/topic/19539/punbb-1219/

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

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

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