[Full-disclosure] iDefense Security Advisory 10.02.07: Sun Microsystems Solaris FIFO FS Information Disclosure Vulnerability

Joey Mengele joey.mengele at hushmail.com
Thu Oct 4 18:15:46 BST 2007


Dear Amateur Security Studier PAPAPAPAPAPAPA,

The context in which the term memory leak is used should clue you 
in here. When used in this content, 'leaked' clearly means the 
contents are exposed to userspace. It clearly does not mean memory 
is allocated and then not freed. By the way, your posts are always 
stupid.

J

On Thu, 04 Oct 2007 12:38:51 -0400 3APA3A <3APA3A at SECURITY.NNOV.RU> 
wrote:
>Dear iDefense Labs,
>
>--Wednesday, October 3, 2007, 6:32:03 PM, you wrote to 
>vulnwatch at vulnwatch.org:
>
>
>iL> The vulnerability exists in the kernel ioctl() handler for 
>FIFOs. The
>iL> I_PEEK ioctl is used to peek at a number of bytes contained in 
>the FIFO
>iL> without actually removing them from the queue. One of the 
>arguments to
>iL> this command, which represents the number of bytes to peek, is 
>a signed
>iL> integer value. Since this parameter is not properly validated, 
>a
>iL> negative value can cause large amounts of kernel memory to be 
>leaked.
>
>Can  you  please  clarify this issue? According to subject it 
>looks like
>information  leak  (information  disclosure)  issue,  while 
>according to
>description, it looks more like memory leak (Denial of Service) 
>issue.
>
>
>-- 
>~/ZARAZA http://securityvulns.com/
>
>
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