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Moderately critical

MailEnable Buffer Overflow and Directory Traversal Vulnerabilities

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Release Date:  2005-11-18    Views:  15,983

Secunia Advisory SA17633

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

No CVE references.

Description


Secunia Research has discovered some vulnerabilities in Mail Enable Professional/Enterprise, which can be exploited by malicious users to cause a DoS (Denial of Service) and to compromise a vulnerable system.

1) A boundary error exists in the IMAP service (MEIMAPS.EXE) when handling an overly long mailbox name passed to "select", "create", "delete", "rename", "subscribe", and "unsubscribe" commands. This can be exploited by a malicious user to cause a stack-based buffer overflow and allows arbitrary code execution.

2) Directory traversal error exists in the IMAP service (MEIMAP.EXE) when handling specially crafted mailbox name passed to the "create" and "rename" commands. This can be exploited by a malicious user to create arbitrary directories on the server, or to cause a DoS by renaming the mail directories of other users.

The vulnerabilities have been confirmed in the following versions:
* MailEnable Professional version 1.6 with Hotfix MEIMAPS-UPD0511010000.zip applied.
* MailEnable Enterprise version 1.1 with Hotfix MEIMAPS-UPD0511010000.zip applied.

Prior versions may also be affected.


Solution:
Apply cumulative update (ME-10008):

Further details available to Secunia VIM customers

Provided and/or discovered by:
Tan Chew Keong, Secunia Research.

Original Advisory:
MailEnable:
http://www.mailenable.com/hotfix/

Secunia Research:
http://secunia.com/secunia_research/2005-59/advisory/

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: MailEnable Buffer Overflow and Directory Traversal Vulnerabilities

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