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Topic: Overflow


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In the News (Wed 15 Feb 12)

  
  Visual effects
Whenever overflow occurs, the 'overflow' property specifies whether a box is clipped to its padding edge, and if so, whether a scrolling mechanism is provided to access any clipped out content.
It affects the clipping of all of the element's content except any descendant elements (and their respective content and descendants) whose containing block is the viewport or an ancestor of the element.
Even if 'overflow' is set to 'visible', content may be clipped to a UA's document window by the native operating environment.
www.w3.org /TR/CSS21/visufx.html   (1196 words)

  
  Buffer overflow - Wikipedia, the free encyclopedia
Buffer overflows usually arise as a consequence of a bug and the improper use of languages such as C or C++ that are not "memory-safe".
Buffer overflows are also a commonly exploited computer security risk — since program control data often sits in the memory areas adjacent to data buffers, by means of a buffer overflow condition, the computer can be made to execute arbitrary (and potentially malicious) code that is fed to the buggy program as data.
A buffer overflow exploit works by feeding the program specially crafted input content that is designed to overflow the allocated data storage buffer and change the data that follows the buffer in memory.
en.wikipedia.org /wiki/Buffer_overflow   (2374 words)

  
 Overflow - Wikipedia, the free encyclopedia
It may also refer to a stack overflow, in which a computer program creates too many stack frames and runs out of space or into a preset stack-size limit.
This gives rise to the phenomenon of the buffer overflow, providing an exploit, a vulnerability allowing unauthorised escalation of privilege escalation on a computer system.
In plumbing, a toilet or sink may overflow, spilling water onto the surrounding area.
en.wikipedia.org /wiki/Overflow   (260 words)

  
 Overflow Incontinence - Urologychannel
Overflow incontinence is prevalent in older men with an enlarged prostate and is rare in women.
Overflow incontinence is a common symptom of benign prostatic hyperplasia.
Neurogenic bladder associated with overflow incontinence is caused by the loss of sensation of bladder fullness due to damage or obstruction of sacral nerves (located in the five vertebrae above the sacrum).
www.urologychannel.com /uro/incontinence/overflow/index.shtml   (246 words)

  
 Stunt Software - Overflow
Overflow is an application designed to quickly launch applications, open documents, or access folders while reducing the number of items needed in your Dock.
Anything you want can be added to the Overflow interface, making it accessible through a few simple mouse clicks or keystrokes.
Overflow can be completely controlled with the keyboard.
www.stuntsoftware.com /Overflow   (199 words)

  
 buffer overflow - a Whatis.com definition   (Site not responding. Last check: 2007-10-19)
A buffer overflow occurs when a program or process tries to store more data in a buffer (temporary data storage area) than it was intended to hold.
In buffer overflow attacks, the extra data may contain codes designed to trigger specific actions, in effect sending new instructions to the attacked computer that could, for example, damage the user's files, change data, or disclose confidential information.
Buffer overflow attacks are said to have arisen because the C programming language supplied the framework, and poor programming practices supplied the vulnerability.
searchsecurity.techtarget.com /sDefinition/0,,sid14_gci549024,00.html   (372 words)

  
 Exploiting Software: How to Break Code, Chapter 7 -- Buffer Overflow   (Site not responding. Last check: 2007-10-19)
The main reason for omnipresent discussion and hype surrounding the buffer overflow is that the buffer overflow remains the principal method used to exploit software by remotely injecting malicious code into a target.
The buffer overflow has evolved over the years, as have a number of other attack techniques and, as a result, powerful new buffer overflow attacks have been developed.
The buffer overflow remains the crown jewel of attacks, and it is likely to remain so for years to come.
searchsecurity.techtarget.com /tip/1,289483,sid14_gci952377,00.html   (840 words)

  
 Buffer Overflow Attacks and Their Countermeasures | Linux Journal
A buffer is a contiguous allocated chunk of memory, such as an array or a pointer in C. In C and C++, there are no automatic bounds checking on the buffer, which means a user can write past a buffer.
Write secure code: Buffer overflows are the result of stuffing more code into a buffer than it is meant to hold.
Buffer overflows would not be nearly the security nightmare they are if the root account were not all-powerful and if network and system daemons like apache were not run from the root account.
www.linuxjournal.com /article/6701   (4584 words)

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