TITLE:
IceWarp Web Mail Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA17046

VERIFY ADVISORY:
http://secunia.com/advisories/17046/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data, Exposure of system
information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Merak Mail Server 8.x
http://secunia.com/product/5054/
IceWarp Web Mail 5.x
http://secunia.com/product/3775/

DESCRIPTION:
ShineShadow has discovered some vulnerabilities in IceWarp Web Mail,
which can be exploited by malicious people to conduct cross-site
scripting attacks, delete arbitrary files, and disclose system and
sensitive information.

1) Some input isn't 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]:32000/mail/blank.html?id=[code]
http://[host]:32000/mail/calendar_d.html?schedule=1&print=1&createdataCX=[code]
http://[host]:32000/mail/calendar_m.html?schedule=1&print=1&createdataCX=[code]
http://[host]:32000/mail/calendar_w.html?schedule=1&print=1&createdataCX=[code]

2) The problem is that it is possible to disclose the full path to
the installation directory by accessing the "mail/bwlist_inc.html"
and "accounts/bwlist_inc.html" scripts directly.

3) Input passed to the "id" parameter in "mail/logout.html" isn't
properly verified, before it is used to delete files. This can be
exploited to remove arbitrary files and empty directories.

4) Input passed to the "helpid" parameter in "accounts/help.html"
isn't properly verified, before it is used to include files. This can
be exploited to include arbitrary files from local resources.

The vulnerabilities have been confirmed in Merak Mail Server 8.2.4r
with IceWarp Web Mail 5.5.1. Other versions may also be affected.

SOLUTION:
Filter traffic to port 32000.

PROVIDED AND/OR DISCOVERED BY:
ShineShadow

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