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Category:   Application (Generic)  >   Dual DHCP DNS Server Vendors:   dhcp-dns-server.sourceforge.net
Dual DHCP DNS Server Buffer Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1015495
SecurityTracker URL:  http://securitytracker.com/id/1015495
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jan 17 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0
Description:   A vulnerability was reported in Dual DHCP DNS Server. A remote user can execute arbitrary code on the target system.

A remote user can send a DHCP packet with a specially crafted DHCP options field with between 128 and 255 bytes to the target system to trigger a buffer overflow and execute arbitrary code.

Some demonstration exploit code is available at:

http://aluigi.altervista.org/poc/dualsbof.zip

The original advisory is available at:

http://aluigi.altervista.org/adv/dualsbof-adv.txt

Luigi Auriemma reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version (1.1), available for Windows-platforms at:

http://sourceforge.net/project/showfiles.php?group_id=132995

Vendor URL:  sourceforge.net/projects/dhcp-dns-server/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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