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Solaris hole gives hackers free rein
From: InfoSec News <isn () c4i org>
Date: Mon, 25 Jun 2001 04:24:14 -0500 (CDT)


By Matthew Broersma, ZDNet News
22 June 2001

Researchers have discovered a bug that could give hackers unlimited
access to any machine running Sun's Unix operating system, Solaris.  
The bug, discovered by security consultancy ISS X-Force, affects a
utility designed to give remote users access to a local printer. The
line printer daemon (in.lpd), as it is called, contains a flaw in the
"transfer job" routine that could allow hackers to overflow an
unchecked buffer, a common means of gaining unauthorised access to a
Hackers could exploit the flaw to crash the printer daemon or execute
malicious code with system administrator privileges, according to
X-Force. The printer software is installed by default on all Solaris

Sun says it is working on a fix, which will be available next month,
and X-Force recommends the software be turned off until the patch is

Solaris runs on Sun Microsystems and Intel hardware, and is the
dominant operating system for high-end Internet servers.


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