Novell NetMail IMAPD subscribe Buffer Overflow Vulnerability iDefense Security Advisory 12.23.06 http://labs.idefense.com/intelligence/vulnerabilities/ Dec 23, 2006 I. BACKGROUND Novell NetMail is an e-mail and calendar system that is based on standard Internet protocols. More information can be found at the vendors site: http://www.novell.com/products/netmail/ II. DESCRIPTION Remote exploitation of a buffer overflow vulnerability in Novell Inc.'s NetMail IMAP daemon allows authenticated attackers to execute arbitrary code with the privileges of the underlying user. Once logged in, attackers can execute the "subscribe" command with an overly long argument string to overflow a stack based buffer. III. ANALYSIS Exploitation allows authenticated remote attackers to execute arbitrary code with the privileges of the underlying user. IV. DETECTION iDefense has confirmed the existence of the vulnerability in version 3.52d of Novell NetMail. It is suspected that earlier versions of NetMail are also affected. V. WORKAROUND iDefense is currently unaware of any effective workaround for this issue. VI. VENDOR RESPONSE Novell has addressed this vulnerability in version 3.52e FTF2 of NetMail. For more information consult Novell TID 3717068. This document is available at the following link. http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&externalId=3717068&sliceId=SAL_Public&dialogID=22219381&stateId=0%200%2022225106 VII. CVE INFORMATION A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not been assigned yet. VIII. DISCLOSURE TIMELINE 10/10/2006 Initial vendor notification 10/11/2006 Initial vendor response 12/23/2006 Coordinated public disclosure IX. CREDIT This vulnerability was reported to iDefense by CIRT.DK. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright © 2006 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@private for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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