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NEWS - October 20, 2006

New Internet Explorer and an old vulnerability

Published: 2006-10-20,
Last Updated: 2006-10-20 02:05:22 UTC by Bojan Zdrnja (Version: 1)

As you probably know by now, Microsoft yesterday released the final version of Internet Explorer 7; if you want to install it on your machine you can download it from http://www.microsoft.com/windows/ie/default.mspx. Microsoft also said that in couple of weeks this will be automatically pushed to all client machines through Windows Update, so if you still haven't tested your mission critical internal web applications with IE7, you better do it now.

Besides news about the final version of IE7, a lot of people are already talking about the first vulnerability for IE7, which was announced yesterday on various security mailing lists. The vulnerability is caused by an error in redirections handling with the "mhtml:" URI handler.


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Gromozon Evolution: From Spaghetti to Lasagna

In reply to: NEWS - October 20, 2006

Since we last talked about Trojan.Linkoptimizer (a.k.a. Gromozon) and the Italian Spaghetti saga, there have been some significant developments. What we had originally dubbed "spaghetti threats" now look much more like multi-layered "lasagna threats". Several new features and improvements were integrated into the latest incarnation of this Trojan by the authors, who are probably getting paid well for all of their efforts.

How do users get infected with Linkoptimizer/Gromozon variants? We noticed that the complicated distribution scheme of Trojan.Linkoptimizer (shown in Figure 1) introduced a few significant changes, compared to the original scheme of the previous blog article. Here are the new things that we noticed:

More: http://www.symantec.com/enterprise/security_response/weblog/2006/10/gromozon_reloaded_everything_t.html

New updated Symantec Removal tool:


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MS and researchers split hairs over first IE7 flaw

In reply to: NEWS - October 20, 2006

Bun fight over bug report
By John Leyden → More by this author
Published Friday 20th October 2006 11:05 GMT

A dispute has broken out over reports of the first security vulnerability in IE7 since its release earlier this week.

Microsoft claims the vulnerability stems from a flaw in Outlook Express, but security researchers say that since the bug can be exploited via IE7 it is really an IE7 vulnerability.

The dispute kicked off on Thursday after security notification firm Secunia published an alert about an information disclosure bug affecting IE7 hours after the release of Microsoft's long-awaited browser.


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McAfee hoping MS will live up to 'hollow' promises

In reply to: NEWS - October 20, 2006

Microsoft unimpressed
By Chris Williams →
Published Friday 20th October 2006 14:43 GMT

The latest in the never-ending ding-**** between Microsoft and Vista-twitchy security vendors was another snipe from McAfee yesterday, swiftly followed by the inevitable backbitching from Redmond today.

McAfee quickly came out to rubbish yesterday's reiterated promises from Redmond that it would hand over code crucial to security developers.

McAfee's Brussels lawyer Christopher Thomas said: "Despite pledges, press conferences, and speeches by Microsoft, the community of independent security companies that consumers rely on for computer protection has seen little indication that Microsoft intends to live up to the promises it made last week.


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Sophos: Microsoft Doesn't Need to Open Up PatchGuard

In reply to: NEWS - October 20, 2006

By Scott M. Fulton, III, BetaNews
October 20, 2006, 5:31 PM
In an interview with BetaNews on Friday afternoon, Sophos senior security analyst Ron O'Brien suggested that, even though his company plans to participate with Microsoft's program to build a security services API for Windows Vista SP1 -- and perhaps because of that fact -- Microsoft does not need to create a bypass mechanism for its upcoming PatchGuard kernel lockdown service, as other vendors have recently insisted.

"Two of our largest competitors, McAfee and Symantec - which clearly have anti-virus products that compare to Sophos - have publicly complained that being locked out of the Vista kernel somehow prevents them from being able to innovate," O'Brien noted.


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Microsoft Blocks Vista Rootkit Exploit

In reply to: NEWS - October 20, 2006

By Ryan Naraine
October 20, 2006

Microsoft has blocked the attack vector used to slip unsigned drivers past new security policies being implemented in Windows Vista, according to Joanna Rutkowska, the stealth malware researcher who created the exploit.

Rutkowska, who demonstrated the exploit at the Black Hat conference in August, said she tested the attack against Windows Vista RC2 x64 and found that the exploit doesn't work anymore.

"The reason: Vista RC2 now blocks write-access to raw disk sectors for user mode applications, even if they are executed with elevated administrative rights," Rutkowska wrote on her Invisible Things blog.


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