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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2007.0471 -- [Win][RedHat][Solaris] Symantec Mail Security for SMTP Executable Attachment Parsing Denial of Service 27 June 2007 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Symantec Mail Security Publisher: Symantec Operating System: Red Hat Enterprise Linux 3 Solaris Windows Impact: Denial of Service Access: Remote/Unauthenticated CVE Names: CVE-2007-1792 Original Bulletin: http://www.symantec.com/avcenter/security/Content/2007.06.26.html - --------------------------BEGIN INCLUDED TEXT-------------------- SYM07-014 June 26, 2007 Symantec Mail Security for SMTP Executable Attachment Parsing Denial of Service Revision History None Risk Impact Low Remote Access Yes Local Access No Authentication Required No Exploit publicly available No Overview A denial of service has been discovered in Symantec Mail Security for SMTP when parsing Executable Attachments. Vulnerable Products Products Versions Solution Symantec Mail Security for SMTP 5.0.0 Upgrade to 5.0.1 and apply patch 181 5.0.1 Apply Patch 181 Symantec Mail Security Appliance 5.0.x Update to 5.0.0-36 or later Not Affected The following products are not affected by this vulnerability. Products Versions Symantec Mail Security for MSE All Symantec Brightmail AntiSpam All Symantec Mail Security Appliance 4.1.x Details Symantec Mail Security for SMTP fails to properly check for boundary errors when parsing executable attachments. This issue can lead to a Denial of Service. Symantec response Symantec has released a downloadable updates for this issue available through the Platinum Support Web Site for Platinum customers or through the FileConnect -Electronic Software Distribution web site for all licensed users. Users of Symantec Mail Security for SMTP 5.0.0 are encouraged to upgrade to 5.0.1 and then download and apply the update. To date, Symantec is not aware of any reported attempts to exploit this vulnerability. Credit Symantec would like to thank Dyon Balding of Secunia for reporting this issue to Symantec, and working with us on the resolution. ___________________________________________________________ Symantec takes the security and proper functionality of its products very seriously. As founding members of the Organization for Internet Safety (OISafety), Symantec follows the principles of responsible disclosure. Symantec also subscribes to the vulnerability guidelines outlined by the National Infrastructure Advisory Council (NIAC). Please contact secure@symantec.com if you feel you have discovered a potential or actual security issue with a Symantec product. A Symantec Product Security team member will contact you regarding your submission. Symantec has developed a Product Vulnerability Handling Process document outlining the process we follow in addressing suspected vulnerabilities in our products. We support responsible disclosure of all vulnerability information in a timely manner to protect Symantec customers and the security of the Internet as a result of vulnerability. This document is available from the location provided below. Symantec strongly recommends using encrypted email for reporting vulnerability information to secure@symantec.com. The Symantec Product Security PGP key can be obtained from the location provided below. Symantec-Product-Vulnerability-Response Symantec Vulnerability Response Policy Symantec Product Vulnerability Management PGP Key Symantec Product Vulnerability Management PGP Key _________________________________________________________________ Copyright (c) 2007 by Symantec Corp. Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com. 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. Symantec, Symantec products, Symantec Security Response, and secure@symantec.com are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners. Initial Post on: Tuesday, 26-Jun-07 12:00:00 Last modified on: Tuesday, 26-Jun-07 21:30:05 Site Index · Legal Notices · Privacy Policy · · Contact Us · Global Sites · License Agreements ©1995 - 2007 Symantec Corporation - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBRoGpLyh9+71yA2DNAQJfoQP+MStdrfwyAPfLj1C8cs3oZKTdqShb+iz0 Ur61mZK8Fe7pXImc9btu3ksnd1/b8bpCzlFdg0o87WvCT/QuHFFiJ50i7KxoRnEe 8CZSZw9RSmdEUNtExQq7POW1VFfl4xm9BrDdqZ1KMDndfy7P8O84Q9A0kISGGvBQ bCFz1diiyUw= =uk9q -----END PGP SIGNATURE-----