Monday, August 03, 2015
Search
  
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
Xiaomi Has Reclaimed Top Spot in China, Huawei Pushes Ahead of Apple
Older Noctua Heatsinks To Support Upcoming Skylake Ptrocessors
Sony's Midrange Xperia C5 Ultra and M5 Smartphones Come With Strong Cameras
Photos of Upcoming Samsung Phablet Appear Online
Lattice Releases First superMHL Solutions for USB Type-C
AUDI AG, BMW Group and Daimler AG To Buy Nokia's HERE Digital Mapping Business
AT&T To Offer Wireless Service And DirecTV's Pay-TV Offerings
Microsoft Sees Growth Beyond The Desktop With Windows 10
Active Discussions
How to back up a PS2 DL game
Copy a protected DVD?
roxio issues with xp pro
How to burn a backup copy of The Frozen Throne
Help make DVDInfoPro better with dvdinfomantis!!!
Copied dvd's say blank in computer only
menu making
Optiarc AD-7260S review
 Home > News > Graphics Cards > AMD Dri...
Last 7 Days News : SU MO TU WE TH FR SA All News

Friday, June 08, 2012
AMD Drivers Prevent Microsoft's Security Feature


AMD's video drivers prevent Microsoft's Exploit Mitigation Experience Toolkit (EMET) from operating correctly, potentially leaving systems valnuarable to attacks, US Computer Emergency Readiness Team (US-CERT) said today.

Acording to CERT's report, AMD's drivers are not fully compatible with a vulnerability mitigation feature called Address Space Layout Randomization (ASLR). ASLR serves to make it harder for software vulnerabilities to be exploited by randomizing certain program structures in memory, so that the addresses of these structures cannot reliably be predicted and attacked.

ASLR was introduced first in Windows Vista as a per-program feature that is only enabled with applications that are flagged as being compatible. However, specific requiring higher security can use the Enhanced Mitigation Experience Toolkit (EMET) to enable ASLR across the system, which activates ASLR for all programs. According to US-CERT, AMD's video drivers are not ASLR compatible. Turning on ASLR will cause AMD's drivers to crash (BSOD), making always-on ASLR unusable on systems using AMD's drivers.

"The interesting impact of this incompatibility is that Microsoft Windows systems that have an AMD or an ATI video chip cannot be secured as well as systems with video chips that have ASLR-compatible drivers," CERT said in a blog post. "In other words, environments that require the utmost security against attacks should avoid AMD/ATI video cards until the drivers support system-wide ASLR."

AMD said that the non-default settings used to produce the system crash at start-up as reported by CERT require changing a System Registry key for the tool, which was not documented until the CERT report was published, and is not accessible through the EMET tool itself.

Users of AMD graphics products will face the problem outlined by the CERT report if their EMET settings are modified, and will otherwise not experience the issue in question, according to AMD. The company will also release a driver designed to ensure that a crash does not take place under the conditions outlined by CERT.


Previous
Next
Google Defends Its Search Policies        All News        Europe: Google Should Respond To Antitrust Concerns By July
AMD Launches Next-Generation AMD FirePro Graphics Card     Graphics Cards News      AMD Releses OpenCL 1.2 Solution For App Developers

Get RSS feed Easy Print E-Mail this Message

Related News
New AMD Godavari A8-7670K Desktop Processors Released
AMD Reports Weak Second Quarter Results
AMD's Partners Bring The Fury To The Market
New Catalyst 15.7 Driver Brings Performance Optimizations
New AMD FirePro S9170 Server GPU Has 32GB Memory
AMD Lowers Second Quarter Outlook, Moves To FinFet
AMD Fury X Reviews Show Impressive Performance That Does Not Put Nvidia's 980 Ti Aside
AMD Considers Spinoff, Breakup: report
AMD Officially Launches The Retail Radeon 300 Series
E3: New AMD Radeon R9 and R7 300 Series Graphics Line-Up Takes Advantage Of New HBM Technology
AMD Targets Notebooks and All-in-Ones With 6th Generation A-Series Processor
New AMD A10-7870K APU Promises Performance And Affordability

Most Popular News
 
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2015 - All rights reserved -
Privacy policy - Contact Us .