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Date: 10 Sep 2004 16:30:33 -0000 From: ShineShadow <ss_contacts@...mail.com> To: bugtraq@...urityfocus.com Subject: 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@...mail.com
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