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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 INTERNET RISK UPDATE for 06-18-2002 ISS X-Force Internet Threat Intelligence Center www.iss.net - Click on the AlertCon logo for more information. ******************************************** ALERTCON 2 Projected: AlertCon 2 ******************************************** ALERTCON 2 - We are at AlertCon 2. VULNERABILITIES: ISS X-Force has discovered a serious vulnerability in the default version of Apache HTTP Server. Apache is the most popular Web server and is used on over half of all Web servers on the Internet. It may be possible for remote attackers to exploit this vulnerability to compromise Apache Web servers. Successful exploitation may lead to modified Web content, denial of service, or further compromise. VIRUSES/WORMS: W32/Higuy-A is an Internet worm with backdoor capabilities. It spreads via email by sending itself to addresses found in the Windows address book. ******************************************** RECOMMENDATIONS ******************************************** The X-Force has released an advisory with patching instructions for the default setting of the Apache HTTP Server. This advisory requires immediate action on behalf of all system users with Apache HTTP Server. http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=2050 2 For a list of current vulnerabilities, please see: https://gtoc.iss.net/vulnerabilities.php For information on the current Virus/Worm of the day, please refer to: http://www.sophos.com/virusinfo/analyses/w32higuya.html Information regarding other viruses and worms please see: https://gtoc.iss.net/viruses.php ******************************************** FACTOID: Apache Web Servers make up 56.21% of the Web Server market with a total of 9,088,063 servers with .com domains, according to the May 2002 Netcraft survey. ******************************************** ATTACK SIGNATURE RANKING - global IDS, midnight - midnight, previous Day, % of total ******************************************** Protocol Decode 40.89% Suspicious Activity 24.97% Unauthorized Access Attempt 15.49% Pre-Attack Probe 11.94% Denial Of Service 06.48% Back Door 00.22% ******************************************** TOP TEN ATTACK DESTINATION PORTS - global IDS, midnight - midnight, previous day, % of top ten (ports found at) http://www.neohapsis.com/neolabs/neo-ports/neo-ports.html ******************************************** 80 (http) 69.00% 25 (smtp) 07.16% 23 (telnet) 06.00% 161 (SNMP) 05.66% 139 (NetBIOS) 02.93% 515 (printer) 02.90% 21 (ftp) 02.10% 69 (tftp) 01.65% 1433 (SQL) 01.48% 162 (SNMPTrap) 01.11% ******************************************** 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 Risk 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. Patrick Gray Manager, X-Force Internet Threat Intelligence Center Internet Security Systems 6303 Barfield Road Atlanta, GA 30328 -----BEGIN PGP SIGNATURE----- Version: PGP 7.1.1 iQA+AwUBPQ9kR5G41ROSQPncEQLhrQCXdsyKF1FiNZNIVskAj6tONUS3zACggyTp NC5qO23bw5G9npGbP52Uino= =0Z78 -----END PGP SIGNATURE-----
