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Re: NSFOCUS SA2001-05 : Solaris Xlock Heap Overflow Vulnerability


From: David Foster <foster () dim ucsd edu>
Date: Fri, 26 Oct 2001 14:04:06 -0700 (PDT)


The patches for this are now available (Solaris 8 has been
available for awhile, Solaris 2.6 patch just came out).

I haven't been notified by the usual channels, so I'd
thought I'd send this out.

Dave Foster


NSFOCUS Security Advisory(SA2001-05)

Topic:  Solaris Xlock Heap Overflow Vulnerability

Release Date£º 2001-08-10

CVE CAN ID : CAN-2001-0652
BUGTRAQ ID : 3160

Affected system:
================

  Sun Solaris 2.6 (SPARC/x86)
  Sun Solaris 7   (SPARC/x86) 
  Sun Solaris 8   (SPARC/x86) 

Impact: 
=========

NSFOCUS Security Team has found a heap buffer overflow vulnerability in the 
xlock shipped in Solaris system when handling some environment variables. 
Exploitation of it would allow a local attacker to obtain root privilege.

Sun's patches to be released for this vulnerability:

                SPARC           x86
                ---------       ---------
  Solaris 8     108652-38       108653-33
  Solaris 7     108376-30       108377-26
  Solaris 2.6   105633-60       106248-45


Security patches of Sun Inc. are available at:

http://sunsolve.sun.com/securitypatch


   << All opinions expressed are mine, not the University's >>

  =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
   David Foster    National Center for Microscopy and Imaging Research
    Programmer/Analyst     University of California, San Diego
    dfoster () ucsd edu       Department of Neuroscience, Mail 0608
    (858) 534-7968         http://ncmir.ucsd.edu/
  =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

   "The reasonable man adapts himself to the world; the unreasonable one
   persists in trying to adapt the world to himself.  Therefore, all progress
   depends on the unreasonable."   -- George Bernard Shaw


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