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Category:   Application (E-mail Server)  >   Fetchmail Vendors:   fetchmail.berlios.de
Fetchmail Heap Overflow When Displaying SSL Certificates in Verbose Mode May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1023543
SecurityTracker URL:  http://securitytracker.com/id/1023543
CVE Reference:   CVE-2010-0562   (Links to External Site)
Updated:  Feb 10 2010
Original Entry Date:  Feb 4 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.3.11, 6.3.12, 6.3.13
Description:   A vulnerability was reported in Fetchmail. A remote user can execute arbitrary code on the target system.

A remote server can send a specially crafted certificate to trigger a heap overflow if the target fetchmail application is running in verbose mode. Certain non-printing characters can trigger the overflow and potentially execute arbitrary code on the target system. The code will run with the privileges of the target service.

The vulnerability resides in 'sdump.c'.

Impact:   A remote user may be able to execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (6.3.14).

The vendor's advisory is available at:

http://www.fetchmail.info/fetchmail-SA-2010-01.txt

Vendor URL:  www.fetchmail.info/fetchmail-SA-2010-01.txt (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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