__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Symantec Mail Security for SMTP Vulnerability [US-CERT Vulnerability VU#875633] March 2, 2007 17:00 GMT Number R-170 ______________________________________________________________________________ PROBLEM: Symantec Mail Security for SMTP contains a vulnerability that may allow an attacker to execute arbitrary code, or create a denial of service condition. PLATFORM: Symantec Mail Security for SMTP 5.0 DAMAGE: May allow an attacker to execute arbitrary code, or create a denial of service condition. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. May allow an attacker to execute arbitrary ASSESSMENT: code, or create a denial of service condition. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-170.shtml ORIGINAL BULLETIN: http://www.kb.cert.org/vuls/id/875633 ______________________________________________________________________________ [***** Start US-CERT Vulnerability VU#875633 *****] Vulnerability Note VU#875633 Symantec Mail Security for SMTP arbitrary code execution vulnerability Overview Symantec Mail Security for SMTP contains a vulnerability that may allow an attacker to execute arbitrary code, or create a denial of service condition. I. Description Symantec Mail Security for SMTP is an antispam, antivirus, and content filtering software package that scans email. Symantec Mail Security for SMTP contains a vulnerability that occurs when processing mail messages with malformed headers. An attacker may be able to exploit this vulnerability by sending a specially crafted email message through a vulnerable system. II. Impact A remote, unauthenticated attacker to execute arbitrary code, or create a denial of service condition. III. Solution Upgrade Symantec has issued patch 175 to address this and other issues. See the 175 release notes for more details. Systems Affected Vendor Status Date Updated Symantec, Inc. Vulnerable 1-Mar-2007 References http://www.symantec.com/enterprise/products/overview.jsp?pcid=1008&pvid=845_1 ftp://ftp.symantec.com/public/english_us_canada/products/symantec_mail_ security/5.0_smtp/updates/ ftp://ftp.symantec.com/public/english_us_canada/products/symantec_mail_ security/5.0_smtp/updates/release_notes_p175.txt Credit Thanks to Steve Arvanitis for reporting this vulnerability. This document was written by Ryan Giobbi. Other Information Date Public 02/09/2007 Date First Published 03/01/2007 02:32:36 PM Date Last Updated 03/01/2007 CERT Advisory CVE Name Metric 2.10 Document Revision 12 [***** End US-CERT Vulnerability VU#875633 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of US-CERT for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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