Showing posts with label microsoft. Show all posts
Showing posts with label microsoft. Show all posts

Sunday, 24 August 2014

Microsoft pulls Patch Tuesday kernel update - MS14-045 can cause Blue Screen of Death

Microsoft has pulled one of its August 2014 Patch Tuesday updates.

MS14-045, which fixes various security holes in the Windows kernel, can cause a Blue Screen of Death (BSoD), thus forcing a reboot.

Apparently, the BSoD is caused by incorrect handling of the Windows font cache file - and because that happens during boot-up, you end up stuck in a reboot loop.

(Yes, MS14-045 requires a reboot after you've applied it.)

The euphemistically-named "bugcheck" number that you'll see if you are affected is: 0x50 PAGE_FAULT_IN_NONPAGED_AREA.
The reason this problem didn't show up in testing is because it only happens under rather specific circumstances,

You need to have one or more OpenType Font (OTF) files, installed in non-standard font directories, that are recorded in the registry with fully-qualified filenames.

A default Windows 8.1 install, for instance, includes only TTF (TrueType Font), TTC (TrueType font Collection) and FON (Windows bitmap FONt) files, recorded without pathnames:

Microsoft has published a workaround that will get you up and running again, but it involves a fair amount of fiddling.

You need to:

Boot from installation media or go into Recovery Mode.
Delete the crash-triggering file %WINDOWS%\system32\fntcache.dat.
Reboot normally, which should now succeed.
Save the registry key (see image above) that enumerates your fonts.
Remove from the registry all OTF font references with pathnames.
Delete %WINDOWS%\system32\fntcache.dat again. (It will have been rebuilt.)
Uninstall the MS14-045 update.
Restore the registry key that enumerates your fonts.
Reboot again.
The sort of font entry you need to remove from the registry, if you have any like it, is shown in an example on Microsoft's Knowledgebase page:

As well as MS14-045, three other Microsoft updates may provoke this problem, so any of the following updates should be removed, if you've installed them, in step 7 above:
  • 2982791 MS14-045: security update for kernel-mode drivers
  • 2970228 New currency symbol for RUB
  • 2975719 Aug 2014 rollup for RT 8.1, 8.1, Server 2012 R2
  • 2975331 Aug 2014 rollup for RT, 8, Windows Server 2012
Unfortunately, and understandably, Patch Tuesday aftershocks of this sortleave sysamdins wondering if they should approach future updates more cautiously.
We regularly urge you to "patch early, patch often," so let's hope Microsoft's patch for the broken patch goes smoothly, lest even those who weren't affected this time get cold feet next month.

Author - Hack4friends

Saturday, 7 June 2014

CHINA charges Microsoft windows 8 for backdoor-spying

Microsoft and China are at odds over the issue of cyberspying, with Windows 8 caught in the crossfire.

State-run broadcaster China Central Television lashed out Wednesday at the latest version of Windows and charged that it's capable of collecting a huge amount of data on Chinese society. In a transcript of the CCTV interview published by the Wall Street Journal, an academic shared his opinion on the type of data that Microsoft can allegedly collect through its OS.

"It's very easy for providers of operating systems to obtain various types of sensitive user information," Ni Guangnan, an academician at the Chinese Academy of Engineering, told the interviewer. "They can find out your identity, your account information, your contact list, your mobile phone number. With all that data together, using big data analysis, a party can understand the conditions and activities of our national economy and society."

Adding fuel to the fire, Guangnan pointed to the classified documents leaked by former National Security Agency contractor Edward Snowden as proof that Microsoft has worked with the US government to obtain encrypted data over the Internet.

In response, Microsoft used its own Weibo account to refute the charges and deny all allegations of backdoor spying in collaboration with the US government. As translated in a story by Neowin, Microsoft's denials break down into five points. According to Neowin, Microsoft said it has:


  • Never "assisted any government in an attack of another government or clients."
  • Never "provided any government the authority to directly visit...products or services."
  • Never provided a "backdoor" to products or services.
  • Never provided client data or information to the US government or the NSA.
  • Never "concealed any requests from any government for information about its clients."

Microsoft's war of words with China is part of a larger skirmish between the US and Chinese governments. Charges of cyberspying between the two countries is nothing new. But since the revelations of NSA spying activities were leaked last year, China has used the opportunity to accuse such companies as Microsoft, Google, and Apple of cooperating with the NSA to gather data and steal state secrets. Tech companies have acknowledged that they are required to share certain customer data at the request of the government but have denied that they collaborate with the government or build backdoors into their products and services to allow data to be siphoned.

Such charges can damage a company's reputation and bottom line. In the case of Microsoft, China last month announced a ban on Windows 8 for government computers. At the time, China's state-run Xinhua news agency said simply that the ban was designed to improve security. However, China likely has another motive for wanting to put the kibosh on Windows 8 beyond security fears.

Microsoft has long accused China of widespread piracy of Windows. In 2011, former CEO Steve Ballmer told employees that Microsoft's revenue in China represented only 5 percent of sales in the US although the two markets were about the same size, according to the Journal. As such, a significant number of the PCs in China still running the now-unsupported Windows XP may be using illegal copies.

Microsoft wants to implement a server-based licensing system in China as one way to fight software piracy, the Journal added. And since the software giant no longer sells or supports Windows XP, Chinese consumers would be forced to upgrade to a more modern operating system, such as Windows 8.

*****************************Thanks for Your kind Visit****************************

Receive All Free Updates Via Facebook.