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VULNERABILITIES - December 23, 2006

by Marianna Schmudlach / December 22, 2006 10:59 PM PST

Novell NetMail NMAP/IMAP Multiple Vulnerabilities

TITLE:
Novell NetMail NMAP/IMAP Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA23437

VERIFY ADVISORY:
http://secunia.com/advisories/23437/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
From remote

SOFTWARE:
Novell NetMail 3.x
http://secunia.com/product/1530/

DESCRIPTION:
Some vulnerabilities have been reported in Novell NetMail, which can
be exploited by malicious users to cause a DoS (Denial of Service) or
compromise a vulnerable system and by malicious people to compromise a
vulnerable system.

1) A boundary error within the NMAP (Network Messaging Application
Protocol) service when handling STOR commands can be exploited to
cause a buffer overflow by passing an overly long argument to the
command.

Successful exploitation requires a valid user account.

2) A boundary error in the IMAP service when handling the SUBSCRIBE
command can be exploited to cause a buffer overflow.

3) An unspecified error in the IMAP service can be exploited to cause
a DoS.

Successful exploitation requires a valid user account.

4) An input validation error in the IMAP service when processing
command continuation requests can be exploited to cause a heap-based
buffer overflow.

5) A boundary error in the IMAP service when handling the APPEND
command can be exploited to cause a stack-based buffer overflow by
passing a specially crafted, overly long argument to the command.

Successful exploitation requires a valid user account.

The vulnerabilities are reported in version 3.5.2. Other versions may
also be affected.

SOLUTION:
The vendor has issued beta patches.

NetMail 3.52e FTF 2 for NetWare:
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974927.htm

NetMail 3.52e FTF 2 for Windows:
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974928.htm

NetMail 3.52e FTF 2 for Linux:
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974929.htm

PROVIDED AND/OR DISCOVERED BY:
1-3) Dennis Rand
4-5) Discovered by an anonymous person and reported via ZDI.

ORIGINAL ADVISORY:
Novell:
https://secure-support.novell.com/KanisaPlatform/Publishing/134/3096026_f.SAL_Public.html
https://secure-support.novell.com/KanisaPlatform/Publishing/328/3717068_f.SAL_Public.html

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-06-052.html

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