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Category:   Application (E-mail Server)  >   Dovecot Vendors:   dovecot.org
Dovecot POP3/IMAP Cache File Buffer Overflow May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017288
SecurityTracker URL:  http://securitytracker.com/id/1017288
CVE Reference:   CVE-2006-5973   (Links to External Site)
Updated:  Nov 28 2006
Original Entry Date:  Nov 27 2006
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0test53 through 1.0.rc14
Description:   A vulnerability was reported in Dovecot. A remote authenticated user may be able to execute arbitrary code on the target system.

When the 'mmap_disable=yes' configuration setting is enabled, a remote authenticated user can send specially crafted data to trigger a buffer overflow and cause the target service to crash. It may also be possible to execute arbitrary code on the target system, however, code execution was not confirmed in the report.

Impact:   A remote authenticated user can cause the target service to crash.

A remote authenticated user may be able to execute arbitrary code on the target system.

Solution:   The vendor has issued a fixed version (1.0.rc15).

A patch is also available at:

http://dovecot.org/patches/1.0/file-cache-buffer-overflow-fix.diff

The Dovecot advisory is available at:

http://dovecot.org/list/dovecot-news/2006-November/000023.html

Vendor URL:  dovecot.org/list/dovecot-news/2006-November/000023.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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