IE Zero-Day Vulnerability

Microsoft Security Advisory 2963983 – Vulnerability in Internet Explorer Could Allow Remote Code Execution – TechNet

General Information

Executive Summary

Microsoft is aware of limited, targeted attacks that attempt to exploit a vulnerability in Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, Internet Explorer 9, Internet Explorer 10, and Internet Explorer 11.

The vulnerability is a remote code execution vulnerability. The vulnerability exists in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. The vulnerability may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer. An attacker could host a specially crafted website that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the website.

On completion of this investigation, Microsoft will take the appropriate action to protect our customers, which may include providing a solution through our monthly security update release process, or an out-of-cycle security update, depending on customer needs.

We are actively working with partners in our Microsoft Active Protections Program (MAPP) to provide information that they can use to provide broader protections to customers. For information about protections released by MAPP partners, see MAPP Partners with Updated Protections.

Microsoft continues to encourage customers to follow the guidance in the Microsoft Safety & Security Center of enabling a firewall, applying all software updates, and installing antimalware software.

Mitigating Factors:

  • By default, Internet Explorer on Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, and Windows Server 2012 R2 runs in a restricted mode that is known as Enhanced Security Configuration. This mode mitigates this vulnerability.

  • By default, all supported versions of Microsoft Outlook, Microsoft Outlook Express, and Windows Mail open HTML email messages in the Restricted sites zone. The Restricted sites zone, which disables script and ActiveX controls, helps reduce the risk of an attacker being able to use this vulnerability to execute malicious code. If a user clicks a link in an email message, the user could still be vulnerable to exploitation of this vulnerability through the web-based attack scenario.

  • An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

  • In a web-based attack scenario, an attacker could host a website that contains a webpage that is used to exploit this vulnerability. In addition, compromised websites and websites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these websites. Instead, an attacker would have to convince users to visit the website, typically by getting them to click a link in an email message or Instant Messenger message that takes users to the attacker’s website.

More information in the full article. There is no patch. But Microsoft has given some recommendations which are easier to understand at Security Garden’s posting:

Recommendations

As illustrated in the “Security Research and Defense Blog” reference below, users of IE 10 and 11 should ensure they haven’t disabled Enhanced Protection Mode.

Another option is to install the Enhanced Mitigation Experience Toolkit (EMET). The recommended setting for EMET 4.1, available from KB Article 2458544, is automatically configured to help protect Internet Explorer. No additional steps are required.

See the Tech Net Advisory for instructions on changing the following settings to help protect against exploitation of this vulnerability:

  • Change your settings for the Internet security zone to high to block ActiveX controls and Active Scripting

  • Change your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone.

 

Those still using Windows XP on the Internet, please be aware:

VERY IMPORTANT FOR ANY HOLD OUT WINDOWS XP USERS

This is the first of the security vulnerabilities that DOES NOT include workarounds  for Windows XP. The oldest Windows noted as being affected are: Windows Server 2003 SP2 and Vista SP2.

IMPORTANT NOTE: Once a Microsoft product’s support has expired — as is true now about Windows XP SP3 since April 8, 2014 — Microsoft no longer lists it as affected by the vulnerabilities being patched. Microsoft only list Windows versions which are still under Mainstream Support or Extended Support. This has always been the case.

If anyone is still using Windows XP on the Internet (UNWISE!!), it would be strongly recommended to disallow IE (Internet Explorer) access to the Internet through your software firewall*, and use another browser like Firefox and Google Chrome which will still be getting updates for a time.

* Any Windows XP users still on the Internet should at least have:

  • a hardware router with Stateful Packet Firewall
  • should be using a ‘real’ software firewall as well as a good AV program. Just one good choice that will continue to support Windows XP is ESET’s Smart Security which is a very good antivirus and firewall. It is the one I use. It is not free. There are several free antivirus programs but not many free security suites.
  • block Internet Explorer through the ESET or other software firewall.
  • should be using a 3rd party browser like Mozilla Firefox with NoScript, Adblock Plus and WOT to help sort out safer search results on search engines, or Google Chrome with ScriptSafe, Adblock Plus and WOT Extension.
  • uninstall Java entirely, keep Adobe Flash religiously updated for Firefox as long as Adobe continues to provide them. Google Chrome updates Flash within itself. Might want to switch from Adobe Reader to Sumatra PDF reader which is a simple PDF viewer.
  • need to be even more careful than ever before about where you go. The bad guys will be looking with great anticipation for computers with expired Windows XP.
  • no risky behavior
  • no banking … note very soon banks will be disallowing expired Windows XP entirely anyway.

IMPORTANT: You can not block a program from getting out to the Internet with the Windows XP Firewall. It is only a one way firewall. It only monitors incoming Internet requests, instead of both ways as any real firewall including Windows 7 and Windows 8 built-in software firewalls do.

Here’s a quote from a ZDNet article:

To those planning to stick resolutely with the aged Windows XP operating system even after Microsoft ends support next year, the advice from experts is simple: Don’t do it.

Again: I would strongly suggest you get a new computer, upgrade your computer if it can be upgraded to a modern/still supported Windows such as Windows 7 or Windows 8, or get a Mac, or you could  convert/upgrade the computer to Linux or use a Linux LiveCD to visit the Internet and still use Windows XP as a standalone NOT CONNECTED TO THE INTERNET computer.

If you need help with any of this, please contact your computer guru, join a forums like Scot’s Newsletter Forums – BATL (Bruno’s All Things Linux) to ask questions, or you can use the contact info on my website  to contact me for some help.

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MS Word users warned of ongoing attacks exploiting unpatched bug

Microsoft warns Word users of ongoing attacks exploiting unpatched bug – Computerworld

Biggest worry, says expert, is that exploits are triggered just by previewing malicious messages in Outlook 2007, 2010 and 2013

Microsoft today warned users of Word 2010 that in-the-wild attacks are exploiting an unpatched vulnerability in the software.

The company also published an automated tool to protect customers until it issues a patch.

An attacker could cause remote code execution if someone was convinced to open a specially-crafted Rich Text Format (RTF) file or a specially-crafted mail in Microsoft Outlook while using Microsoft Word as the email viewer,” said Dustin Childs, group manager and spokesman for Microsoft’s Trustworthy Computing group in a blog Monday.

BOLD in the quote is mine.

Microsoft put out a Security Advisory 2953095 as Corrine noted on her Security Garden Blog including Fix it buttons for enabling and disabling reading email messages in plain text format.

This is one of the things for which both Microsoft in Outlook and Apple in Mail have massively fallen down on the job. This would not be happening if you could easily toggle various view options such as HTML or Plain Text for reading emails, as well as allowing and disallowing images inline.

This is something that I am very thankful that Mozilla Thunderbird got right from the very beginning. Mozilla Thunderbird gives very granular control regarding the various ways to Display email messages such as in PLAIN TEXT, SIMPLE HTML (simple html with javascripting disabled), or ORIGINAL HTML.

You also have control over how images are displayed or not in several ways and differentiating between attached images and remote images.

You can also close to enable do not track in emails. There are Security Add-ons like Adblock PlusEnigmail (OpenPGP), more. As well as lots of specialized Add=ons. One of these that I like is QuickText and a few others. It works on Windows, Mac and Linux.

There is also a pay to play $9.95 I think, but also has a free trial. It was originally for Macs and now there is a Windows version as well. It was created by the original developers of Thunderbird called Postbox. It has some but not all the Add-ons that Thunderbird has.

/rant on

I am not saying everyone should move to Mozilla Thunderbird. What I am saying is that Microsoft Outlook and Apple Mail should give their users these types of granular control so people can choose how they wish emails to be viewed. Both do some things but they stop way short of what is really needed in this day and age with emails.

HTML is like a venetian blind. It hides what is behind it. You can’t see what is behind all that HTML. You can’t decide to see HTML only if you trust the email after viewing what is in that email. This makes it way too easy for phishing emails to look like your bank, PayPal, your credit card company, etc. It also allows companies to track you with web beacons, transparent gif images and other remotely loaded images so they know if and when you view their email.

Something needs to be done about all this. Mozilla Thunderbird makes it so easy for folks to be able to toggle images so they can’t track you, use SIMPLE HTML to keep the ‘form’ of an email message without the more dangerous javascripting. Or allows you to totally view the email in plain text so you can see that that link that appears to be going to your bank actually goes to some strange URL that has nothing to do with your bank or a store you may or may not do business with.

People need these tools. Some may or may not realize it, but they really do.

I have heard so many people say that the email look just like it was from their bank and they fell for it. Or a store they frequent and gave up their login credentials by clicking on the link rather than going to the website because it looked like it was the store’s promotion.

Sure, no one should click on links in email, but if it looks legit, many do. Sure, if you like something in a promotion for a store, it might be better to just go to the store’s website but some stores really don’t have a page on their website that is clickable to get you there, unless you click on the link in an email. Also, the links are often obfuscated by third party trackers and campaign tracking sites, etc. This all makes life very difficult for email users to know what’s good and what’s not.

OK, I will get off my soap box now.

/rant off

 

Lizamoon and Epsilon breach

[tweetmeme source=”franscomputerservices” only_single=false]There are two major things that users need to be aware of right now, as if there weren’t enough already. 😉

One affects email and the other affects browsing/surfing the Internet. Both bad news, and we all need to be very aware of what has happened and why we have to be very vigilant in making sure we don’t click on links in email, open attachments sent in email, or respond to potential unexpected boxes and requests while surfing the Internet.

Financial and payment services are the biggest areas being hit right now, and will continue to be so much more effective and dangerous due to the current economy while people scramble to survive around the world.

Targeted Sectors Q2 2010 - Anti-Phishing Working Group (APWG)

Targeted Sectors Q2 2010 - Anti-Phishing Working Group (APWG)

Lizamoon/LizaMoon drive-by rogue malware infection

Lizamoon is a drive-by rouge antimalware or antivirus download infection. Thankfully you generally have to take some action to allow it to install as noted by Fred Langa in the comp copy of WindowsSecrets.com newsletter in his article entitled, “LizaMoon infection: a blow-by-blow account“. Must read!

The most important takeaway is that Fred said he had to take action on four separate occasions before the infection took place:

On the other hand, deliberate choices and actions by a user can defeat any software. LizaMoon required my active, voluntary involvement four different times before the infection took hold.

LizaMoon wasn’t even subtle: I had plenty of warnings and opportunities to abort the process, the malware itself provided abundant clues to its own bogus nature (such as an inability to keep its aliases straight).

Much more in the article. A must read for all who surf the Internet to be able to identify this rogue drive-by infection when it happens/if it happens.

The biggest takeaway:We can prevent these types of things by being aware and not clicking on things just because they are presented to us while surfing the Internet.

Epsilon breach – Spear Phishing attacks

Epsilon is an outsourcing marketing company for many big companies/banks. They have a huge database of people’s email addresses, names and the company or bank associated with each email address. This makes the spear phishing, generally a very effective social engineering technique and can make their attacks via email so much more effective…mainly because they know the email addresses are real, and more importantly they can link the real name and the actual company/bank connected the email address.

Computerworld reports, “Security experts today warned users to be on the watch for targeted email attacks after a breach at a major marketing firm that may have put millions of addresses in the hands of hackers and scammers.”

Brian Krebs (KrebsOnSecurity) and Heise Online Security report,

Epsilon has now confirmed that approximately 2 per cent of its total clients were affected. According to a blog post by security blogger Brian Krebs, financial services company Visa and American Express (Amex) say that they were not impacted by the Epsilon breach. However, the following banks, service providers and online retailers are said to have been affected:

1-800-FLOWERS
AbeBooks
Air Miles (Canada)
Ameriprise Financial
Barclay’s Bank of Delaware
Beach Body
Bebe Stores
Best Buy
Benefit Cosmetics
Brookstone
Capital One
Chase
Citigroup
City Market
College Board
Dillons
Disney Destinations
Eddie Bauer
Eileen Fisher
Ethan Allen
Euro Sport (Soccer.com)
Food 4 Less
Fred Meyer
Fry’s Electronics
Hilton Honors Program
Home Depot Credit Card (Citibank Editor)
Home Shopping Network
JPMorgan Chase
Kroger
Marks and Spencer
Marriott
McKinsey Quarterly
MoneyGram
New York & Co.
QFC
Ralph’s
Red Roof Inns
Ritz-Carlton
Robert Half International
Smith Brands
Target
TD Ameritrade
TiVo
U.S. Bank
Walgreen’s

Much more in these articles, must read, as well as others on the web including WashingtonPost, eWeek, BBC, and others.

The biggest takeaway: Don’t believe everything you see in email. Don’t trust links or downloads in email. Check with the person who sends it before opening any downloads and don’t give out information from your bank, and other sites, etc. unless you can confirm it definitely came from them. You can always go to the site directly from your own bookmarks/favorites and login to ensure you get to the right place. Don’t use their links in email unless you can verify it’s really from the company. In fact, one can get into trouble and get further compromised by clicking on links in email.

Side note: this is why I do not view email as HTML. So much can be hidden behind all the pretty pictures and code.

And be prepared. Keep your antivirus software and antimalware program as well, clear your Internet cache frequently. If you suspect you have been hit with one of these rogue antivirus/antimalware attacks, unplug the Internet/network cable from your computer to prevent further harm and take appropriate action by running Malwarebytes Antimalware, CCleaner (or other temporary Internet cleaner program you use), and then a scan with your antivirus software and take whatever recommended action they call for. Links to these programs provided on our Resources page.

If you make sure both of these are updated before you surf for the day, you will be in a much better situation should you somehow get hit with something.

And do your backups, and have an image of your OS to restore from if it becomes necessary. Windows 7 makes this very easy to do with their built-in image creator and backups, and system repair disk.

Computer Virus can equal bankruptcy for small businesses

[tweetmeme source=”franscomputerservices” only_single=false]N.Y. Firm Faces Bankruptcy from $164,000 E-Banking Loss (Krebs on Security):

New York marketing firm that as recently as two weeks ago was preparing to be acquired now is facing bankruptcy from a computer virus infection that cost the company more than $164,000.

Ouch! That’s gotta hurt!

As Mrs. McCarthy found out the hard way, businesses do not enjoy the same protections that consumers have against online banking fraud. Most banks will work with commercial customers to try and reverse any fraudulent transfers, but the chances of that succeeding diminish rapidly after the first 24 hours following unauthorized activity. What’s more, banks are under no obligation to reimburse commercial customers victimized by cyber fraud.

Wow!

Check out what happened with the computer — not all that unusual of late for some folks.

Stay safer online or get files from corrupted Windows install

[tweetmeme source=”franscomputerservices” only_single=false]So, you need to get your files from your computer, but Windows won’t boot due to malware infection, or defective hardware or corrupted Windows install? Or maybe you just want to have a safe way to surf the Internet, or more safely do your online banking?

Clark76’s post entitled Saving files on a corrupt OS tells you how to use Ubuntu Linux LiveCD to get your files from a corrupted Windows install and backup/save them to a Flash drive for later restoration.

The only thing I would add to that posting is to make sure that if you reinstall Windows on the system, make sure that an antivirus software package is installed before trying to recover/copy the files back to your user account on Windows.

Using Ubuntu Linux LiveCD can also be an excellent way to keep your banking information safer if you use online banking as noted in my Technorati article entitled, How to be Safer While Banking Online from October 12, 2009.

There are just two ways that a Linux LiveCD can keep you safer online, or help you avert/recover from disaster. Linux LiveCDs are also a safer way to browse the Internet in these uncertain times since you can choose to disallow any changes to your system when booting your computer to a LiveCD.