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NX slams door on Linux buffer exploits
Tuesday, 8 June 2004 17:38 ESTBuffer overflows that are part and parcel of applications that run on the Linux platform may not get the same attention as their Windows counterparts, but they exist and are just as dangerous. Hackers can use a worm to overflow a memory buffer and execute code of their choice. Last week, code contributors to the Linux kernel took a small but significant step toward curing the buffer overflow problem that not only enhances security on Linux, but beats Microsoft's inclusion of similar protection in Windows.
Red Hat developer Ingo Molnar submitted a patch to Linus Torvalds on June 2 that makes available the NX (no execute) technology for x86 systems. NX was developed by Advanced Micro Devices (AMD) for its AMD64 hardware. Intel, Transmeta and VIA also announced support for NX, which adds a no-execute bit to a CPU's memory area.
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Featured Articles
Tribal thinking in today’s IT
George Santayana once famously observed; “Those who cannot remember the past are condemned to repeat it.”. But when it comes to IT security, a better way of thinking might be; “those who fail to understand the impact of the past on their thinking may find themselves somewhat exposed”…
You can’t manage what you can’t see!
Security threats have grown more menacing with the appearance of the likes of Sober, Mytob, and Bagle. Along with the newer trends of spyware, phishing and key logging the implications of ineffective information security have become potentially debilitating to business operations and indeed strategy.
The development and execution of an endpoint security strategy is an increasingly important and urgent issue for businesses of all sizes. Many are executing – or wanting to execute - flexible working practices and organisation models that leverage contemporary technology.
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Press Releases
Parasoft Jtest Wins Best Application Test Tool as part of InfoWorld's Annual Technology of the Year Awards
Akonix Security Center Publishes IM Threat Watch for December 2005
Tool for camouflaging threats in WMFs discovered, informs Panda Software
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