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MailEnable Enterprise Multiple WebMail Vulnerabilities
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Secunia Advisory:
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SA20556
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Release Date:
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2006-06-12
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Last Update:
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2006-06-19
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Popularity:
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6,864 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
Privilege escalation
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | MailEnable Enterprise Edition 1.x
MailEnable Enterprise Edition 2.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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Description:
Soroush Dalili has discovered some vulnerabilities in MailEnable Enterprise, which potentially can be exploited by malicious users to gain escalated privileges, and by malicious people and users to bypass certain security restrictions.
1) It is possible to gain access to certain functionalities in the web admin page by accessing "/meadmin/base/enterprise/lang/EN/main.asp" directly and setting the "POSTOFFICE" parameter to the name of the postoffice.
2) Input passed to the "LoginRights" parameter in "/MEWebMail/base/default/lang/EN/MailOptions.asp" isn't properly sanitised before being used. This can be exploited by a normal user to change his mailbox type to "SYSADMIN".
3) Access to the "/MEWebMail/base/default/lang/EN/Forms/MAI/Resolve.asp" script is not properly restricted. This can be exploited to create emails in any user's "draft" folder without requiring a valid logon, if the username is known.
4) Access to the "/MEWebMail/base/default/lang/EN/Forms/MAI/UploadAttachment.asp" script is not properly restricted. This can be exploited to upload a file into any user's "draft" folder without requiring a valid logon. The file will be saved as "myupload.ams".
5) Access to the "/MEWebMail/base/enterprise/lang/EN/Forms/vcf/uploadcontact.asp" script is not properly restricted. This can be exploited to upload a file into any user's "draft" folder without requiring a valid logon. The file will be saved as "_myupload.csv".
The vulnerabilities have been confirmed in Enterprise Edition version 2.09. Other versions may also be affected.
Solution:
Update to version 1.25 or 2.09.3.
http://www.mailenable.com/download.asp
Provided and/or discovered by:
Soroush Dalili, GrayHatz Security Group.
Changelog:
2006-06-19: Updated "Solution" section.
Original Advisory:
http://www.milw0rm.com/exploits/1893
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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