Serious Windows security hole + Microsoft unable to distribute patches
"Bjorn Stabell" <[email protected]>
| Newsgroups | gmane.org.user-groups.linux.beijing |
|---|---|
| Message-ID | <[email protected]> |
First of all there a very serious security hole in Windows' SSL that makes it possible for people to take control over the machine remotely; this affects all secure Windows 2000 and NT4 sites (45% of all SSL servers!), including banking sites! Talk about critcial! Secondly, it seems Digital Island's content distribution network is not up to the task to distribute the patches quickly enough. Microsoft picked them because Akamai, who it used successfully before, was running Linux on their edge servers! Anyways, this is what it looks like to me... -----Original Message----- From: announce-zZVC6C/48Tk8cXGXCPjTtAC/[email protected] [mailto:[email protected]] Sent: Thursday, April 15, 2004 01:06 To: Bjorn Stabell Subject: Netcraft News - Wednesday, April 14, 2004 <http://news.netcraft.com/> Netcraft <http://www.netcraft.com/security/dsm.html> Site Search Webserver Search What's that site running?... 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A browser request through Internet Explorer eventually raises the site after an extended wait, and in some cases it is possible to successfully download and install updates over a broadband connection. Dynamically updating performance charts for Windows Update are available here <http://uptime.netcraft.com/perf/graph?site=v4.windowsupdate.microsoft.c om%2fen%2fdefault.asp&range=86400&collector=all> . The service is struggling for availability at a crucial moment of need for Windows users. Microsoft yesterday released four <http://www.microsoft.com/security/security_bulletins/200404_windows.asp > security updates, including three critical patches that Microsoft urged customers to install immediately. They include a patch for an SSL <http://news.netcraft.com/archives/2004/04/14/microsoft_ssl_vulnerabilit y_gives_attackers_opportunity_to_gain_control_of_leading_banking_sites.h tml> vulnerability that leaves Windows 2000 and NT4 SSL sites open to remote compromise. The current sluggish performance of Windows Update is a particular challenge for Windows users ondial-up Internet connections, as the Windows XP download is 3 megabytes. The DNS for windowsupdate.microsoft.com is managed by Savvis Communications, which runs the former Digital Island content distribution network (CDN) it acquired from Cable & Wireless earlier this year. CDNs help manage Internet traffic (including DDoS attacks) by using large, geographically distributed networks of servers to move files closer to the end user. Microsoft used a CDN service from Akamai to keep its web site online last August, when the Blaster worm programmed machines to launch a DDoS on the Windows Update site. Microsoft's strategy drew considerable attention, as the front page of the www.microsoft.com site was served <http://news.netcraft.com/archives/2003/08/17/wwwmicrosoftcom_runs_linux _up_to_a_point_.html> by Linux machines on Akamai's network. Savvis is using Windows <http://uptime.netcraft.com/up/graph?site=windowsupdate.microsoft.nsatc. net> Server 2003 to manage the Windows Update traffic. Posted by Rich Miller at 03:04 PM UTC on Apr 14, 2004 in Performance <http://news.netcraft.com/archives/performance.html> | Link to this article <http://news.netcraft.com/archives/2004/04/14/windows_update_struggling_ to_remain_available.html> | Subscribe <http://www.netcraft.com/cgi-bin/Survey/subscription> Microsoft SSL Vulnerability gives attackers opportunity <http://news.netcraft.com/archives/2004/04/14/microsoft_ssl_vulnerabilit y_gives_attackers_opportunity_to_gain_control_of_leading_banking_sites.h tml> to gain control of leading banking sites Security <http://news.netcraft.com/archives/security.html> Microsoft has issued a fix for a security vulnerability that has exposed tens of thousands of sites offering encrypted transactions to potential compromise. The bug in Microsoft's Secure Sockets Layer (SSL) library allows remote attackers to gain control of unpatched Windows 2000 and Windows NT4 servers offering encrypted services over the internet. The vulnerability was revealed Tuesday by Internet Security <http://xforce.iss.net/xforce/alerts/id/168> Systems, which warned that "hackers will aggressively target this vulnerability given the high-value nature of Web sites protected by SSL," which secures web sites for online banking, stock trading and retailing. Microsoft issued a critical <http://www.microsoft.com/technet/security/bulletin/MS04-011.mspx> security update Wednesday to address the vulnerability, which allows a buffer overflow in Private Communications Transport (PCT) packets. "An attacker who successfully exploited this vulnerability could take complete control of an affected system," Microsoft said in its advisory, adding that "only systems that have SSL enabled" are vulnerable. SSL is only commonly used protocol for encrypted transactions of financially important or confidential information on the Web. More than 132,000 web-facing SSL servers are running either Windows 2000 or Windows NT4, according to our March Secure <http://news.netcraft.com/archives/2003/04/09/netcraft_ssl_survey.html> Server Survey, representing nearly 45 percent of all SSL servers. The PCT and SSL 2.0 protocols targeted by the exploit are enabled by default in Win2K and NT4. More... <http://news.netcraft.com/archives/2004/04/14/microsoft_ssl_vulnerabilit y_gives_attackers_opportunity_to_gain_control_of_leading_banking_sites.h tml> Posted by Rich Miller at 04:15 AM UTC on Apr 14, 2004 in Security <http://news.netcraft.com/archives/security.html> | Link to this article <http://news.netcraft.com/archives/2004/04/14/microsoft_ssl_vulnerabilit y_gives_attackers_opportunity_to_gain_control_of_leading_banking_sites.h tml> | Subscribe <http://www.netcraft.com/cgi-bin/Survey/subscription> <http://news.netcraft.com/archives/2003/01/01/automated_security_testing .html> Copyright (c) Netcraft Ltd 2004 Subscription Details To Subscribe: Send SUBSCRIBE webserver-survey to majordomo-DpHT0TjK6O9Wk0Htik3J/[email protected] <mailto:majordomo-DpHT0TjK6O9Wk0Htik3J/[email protected]?subject=Subscribe&body=SUBSCRIBE webserver-survey> To Unsubscribe: Send UNSUBSCRIBE webserver-survey to majordomo-DpHT0TjK6O9Wk0Htik3J/[email protected] <mailto:majordomo-DpHT0TjK6O9Wk0Htik3J/[email protected]?subject=Unsubscribe&body=UNSUBSCRIBE webserver-survey> _______________________________________________ blug-general list [email protected] http://list.beijinglug.org/cgi-bin/mailman/listinfo/blug-general