Tuesday, August 21, 2018
Search
  
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
Samsung Launches CJG5 Curved Gaming Monitor
Samsung Extends Semiconductor Market Lead in 1H18
Apple Is Planning a New Low-Cost MacBook and New Mac Mini
HTC VIVE Debuts the Vive Wireless Adapter
HP kicks off Gamescom with OMEN Products
New TONE Platinum SE Offers Google Translate and Other AI Features
New Alienware Gaming Desktops and Dell Gaming Monitors Announced at Gamescom
NVIDIA Brings Real-Time Ray Tracing to Gamers with GeForce RTX Graphics Card
Active Discussions
Which of these DVD media are the best, most durable?
How to back up a PS2 DL game
Copy a protected DVD?
roxio issues with xp pro
Help make DVDInfoPro better with dvdinfomantis!!!
menu making
Optiarc AD-7260S review
cdrw trouble
 Home > News > Graphics Cards > AMD rel...
Last 7 Days News : SU MO TU WE TH FR SA All News

Tuesday, August 14, 2007
AMD releases ATI Vista driver patch


AMD has released a patch for its ATI Catalyst drivers to remove the possibility of them being used as an attack vector to circumvent the improved security defenses of Vista.

The ATI driver flaw was highlighted by Joanna Rutkowska, security researcher and founder of Invisible Things Lab, at the Black Hat conference early this month as an illustration of why the Vista kernel protection doesn?t work.

The flaw was later exploited by a proof-of-concept-tool, Purple Pill, released by security researcher Alex Ionescu, that patches the Vista kernel to turn off certain checks for signed drivers, which means any malicious rootkit author could piggyback on ATI?s legitimately signed driver to tamper with the Vista kernel.

ATI has confirmed the bug, which affects the AMD Catalyst software package and strongly urged users to download the patch, Catalyst version 7.8.

While the bug has been patched, it doesn?t mean that Vista is really secure OS. Considering that there are several hundreds of third-party drivers that are poorly written, the same problem could occur again and again.

In addition, an attacker could make their own malicious driver, get the driver certified to use for an attack.

And because Microsoft has no way of knowing in advance whether a driver has a bug, or has been made explicitly for the purpose of corrupting the Vista kernel, the company needs to come up with a plan on how it can protect its Vista kernel better.

From VISTA.BLORGE



Previous
Next
Nvidia MCP73 'to debut 25 September'        All News        Windows XP over Vista for 2008 Summer Olympic Games
Nvidia MCP73 'to debut 25 September'     Graphics Cards News      Apple picks AMD Radeon HD GPUs for iMac

Source Link Get RSS feed Easy Print E-Mail this Message

Related News
AMD Says New 2nd Generation, 32-core AMD Ryzen Threadripper Processors Break Boundaries of High-End Desktop Market
AMD Radeon Pro WX 8200 Delivers High Workstation Graphics Performance for Under $1,000
Sony Playstation 4 Pro 500 Million Edition Announced
AMD 2nd Gen Threadripper 2990WX AND 2950X Available for Pre-order
New AMD Semi-Custom SOC Combines AMD Ryzen CPU and AMD Vega GPU for Gamers in China
AMD Unveils B450 Chipset-based Motherboards
AMD Reports High Quarterly Profit on New EPYC and Ryzen Sales
New Xperia XA2 Plus Features a 18:9 Display and Sony's Hi-Res Audio Technology
PlayStation Vue Price Increases by $5
AMD's 7nm Processors to Compete With Intel's 10nm Chips
AMD Presents Modular Routing Design for Chiplet-based Systems
Benchmarks With the 32-core AMD Threadripper Appear Online

Most Popular News
 
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2018 - All rights reserved -
Privacy policy - Contact Us .