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INTERNET RISK UPDATE for 04-23-2002 ISS X-Force Internet Threat Intelligence Center www.iss.net - Click on AlertCon logo for more information. ******************************************** ALERTCON 1 Projected: AlertCon 1 ******************************************** ALERTCON 1 - We are at AlertCon 1, the usual chaotic state of the Internet. We define Internet Risk as the probability that something bad will happen through your Internet connection. Vulnerabilities: A potential security vulnerability has been discovered in Oracle9i database server. It is possible to create a user defined in the Oracle9i database server with limited privileges who can potentially access privileged data using SQL syntax for outer joins. As such, a knowledgeable and malicious user can gain unauthorized access to data in Oracle9i database server. VIRUSES/WORMS: The Klez.H variant is continuing to spread via email, and one antivirus vendor says it has the ability to release sensitive documents. The latest variant of the Klez worm sometimes chooses to hitch a ride on sensitive documents, resulting in victims' confidential information spreading with the malicious program. ******************************************** RECOMMENDATIONS ******************************************** For further information on the Oracle9i database server vulnerability, please refer to: http://otn.oracle.com/deploy/security/alerts.htm For additional information on Klez.H, please visit: http://www.avp.ru/news.html?id=570164 Information regarding viruses and worms please see: https://gtoc.iss.net/viruses.php ******************************************** FACTOID: More than 26,000 computer intrusion incidents were reported to CERT in the first three months of this year, surpassing the total for all of 2000. ******************************************** ATTACK SIGNATURE RANKING - global IDS, midnight - midnight, previous Day, % of total ******************************************** Protocol Decode 46.64% Unauthorized Access Attempt 23.96% Suspicious Activity 13.56% Denial Of Service 08.68% Pre-Attack Probe 07.12% Back Door 00.04% ******************************************** TOP TEN ATTACK DESTINATION PORTS - global IDS, midnight - midnight, previous day, % of top ten (ports found at) http://www.networkice.com/Advice/Exploits/Ports/default.htm ******************************************** 80 (http) 59.88% 161 (SNMP) 11.50% 21 (ftp) 09.24% 22 (ssh) 07.68% 25 (smtp) 04.44% 69 (tftp) 03.02% 162 (SNMPTrap) 01.85% 443 (ssl) 00.85% 23 (telnet) 00.77% 139 NetBIOS) 00.77% ******************************************** BACKGROUND, COPYRIGHT NOTICE, and DISCLAIMER ******************************************** Background. We provide this information in the spirit of PDD 63 to help security professionals wage the war against Internet threats more effectively. Information in this update derived primarily from global, real time, 24 x 7 IDS feeds, ISS X-Force R&D Team research, and professional liaison. Other sources as noted. AlertCon 1 reflects the global, malicious, determined, 24 x 7 attacks experienced by all networks. AlertCon 2 means increased vigilance/action recommended due to a specific threat or concern. AlertCon 3 means increased attacks against specific targets or vulnerabilities on a scale that is unusually high, action required. AlertCon 4 reflects an Internet emergency for a target or group of targets whose business continuity may depend on some sort of immediate, decisive action. All summaries cover 24 hours the previous workday, GMT. Monday summaries may cover some weekend activity. Copyright 2002 Internet Security Systems, Inc. Permission is granted for the redistribution of the Internet Threat Update electronically. It is not to be sold or edited in any way without express consent of ISS. Refer comments or questions to: [EMAIL PROTECTED] or [EMAIL PROTECTED] Disclaimer: This information is subject to change without notice. Use of this information constitutes acceptance for use in an 'as is' condition. There are no warranties with regard to this information. In no event shall the author be liable for any damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk. No other use authorized. FOIA Exemption 4. You can download the public key from MIT's PGP key server and PGP.com's key server. Patrick Gray Manager, X-Force Internet Threat Intelligence Center Internet Security Systems 6303 Barfield Road Atlanta, GA 30328
