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Category:   Application (E-mail Server)  >   Novell NetMail Vendors:   Novell
Novell NetMail Buffer Overflows in IMAP and NMAP Services Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017437
SecurityTracker URL:  http://securitytracker.com/id/1017437
CVE Reference:   CVE-2006-6424, CVE-2006-6425   (Links to External Site)
Updated:  Dec 24 2006
Original Entry Date:  Dec 23 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.52
Description:   Several vulnerabilities were reported in Novell NetMail. A remote user can execute arbitrary code on the target system.

The NetMail application contains several flaws. A remote user or remote authenticated user can send specially crafted data to trigger a buffer overflow and execute arbitrary code on the target system. The code will run with the privileges of the target service.

A remote authenticated user can send a specially crafted STOR command to the NetMail Network Messaging Application Protocol (NMAP) daemon (nmapd.exe) on TCP port 689 to trigger a buffer overflow. The vendor was notified of this vulnerability on September 8, 2006.

A remote user can send IMAP commands appended with specially crafted literals to the IMAP service (imapd.exe) to trigger a heap overflow. The vendor was notified of this vulnerability on August 14, 2006.

A remote authenticated user can send a specially crafted APPEND command to the IMAP service to trigger a stack overflow. The vendor was notified of this vulnerability on August 14, 2006.

A remote authenticated user can send a specially crafted Subscribe command to the IMAP service to trigger a stack overflow. The vendor was notified of this vulnerability on October 10, 2006.

Dennis Rand of CIRT.DK discovered the NMAP STOR vulnerability and the IMAP Subscribe command vulnerability.

TippingPoint and iDefense reported these vulnerabilities.

The original advisories are available at:

http://www.zerodayinitiative.com/advisories/ZDI-06-052.html
http://www.zerodayinitiative.com/advisories/ZDI-06-053.html
http://www.zerodayinitiative.com/advisories/ZDI-06-054.html
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=454
http://www.cirt.dk/advisories/cirt-48-advisory.txt

Impact:   A remote user or remote authenticated user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version (3.52e ftf 2):

http://support.novell.com/servlet/downloadfile?file=/sec/pub/nm352e_ftf2_lx.tgz
http://support.novell.com/servlet/downloadfile?file=/sec/pub/nm352e_ftf2_nw.zip
http://support.novell.com/servlet/downloadfile?file=/sec/pub/nm352e_ftf2_win.zip

The Novell advisories are available at:

http://www.novell.com/support/search.do?cmd=displayKC&externalId=3096026&sliceId=SAL_Public
http://www.novell.com/support/search.do?cmd=displayKC&externalId=3717068&sliceId=SAL_Public

Vendor URL:  www.novell.com/support/search.do?cmd=displayKC&externalId=3096026&sliceId=SAL_Public (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), Windows (Any)

Message History:   None.


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