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Date: Wed, 13 Feb 2002 01:43:59 GMT
From: Aidan Skinner <aidan@kai.velvet.net>
Reply-To: Aidan Skinner <aidan@kai.velvet.net>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: RUS-CERT Advisory 2002-02:01: Temporary file handling in GNAT	
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>Number:         34893
>Category:       ports
>Synopsis:       RUS-CERT Advisory 2002-02:01: Temporary file handling in GNAT
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    deischen
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Feb 12 17:50:01 PST 2002
>Closed-Date:    Thu Apr 24 17:17:53 PDT 2003
>Last-Modified:  Thu Apr 24 17:17:53 PDT 2003
>Originator:     Aidan Skinner
>Release:        FreeBSD 4.5-STABLE i386
>Organization:
Velvet Networks
>Environment:
System: FreeBSD kai.velvet.net 4.5-STABLE FreeBSD 4.5-STABLE #1: Fri Feb 9 02:28:32 GMT 2001 root@xev.velvet.net:/usr/obj/usr/src/sys/GENERIC i386


>Description:

  Gnat uses mktemp to generate temporary files instead of mkstemp, leading to a race 
  condition in generated programs that use temporary files 

  See http://www.securityfocus.com/archive/1/255734

>How-To-Repeat:

	$ echo "Procedure Foo is begin null; end Foo;" > foo.adb
	$ /usr/local/bin/gnatmake foo.adb
	adagcc -c foo.adb
	gnatbind -x foo.ali
	gnatlink foo.ali
	/usr/local/lib/gcc-lib/i386-unknown-freebsd4.5/2.8.1/adalib//libgnat.so: warning: tmpnam() possibly used unsafely; consider using mkstemp()
 	/usr/local/lib/gcc-lib/i386-unknown-freebsd4.5/2.8.1/adalib//libgnat.so: warning: mktemp() possibly used unsafely; consider using mkstemp()
 
>Fix:

  Apply the patch at http://cert.uni-stuttgart.de/files/fw/gnat-3.14p-mkstemp.diff in 
  ${PORTSDIR}/lang/gnat/work/gcc-2.8.1/src
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-ports->deischen 
Responsible-Changed-By: ade 
Responsible-Changed-When: Tue Mar 12 16:51:09 PST 2002 
Responsible-Changed-Why:  
Over to MAINTAINER.  Please also fix MAINTAINER line to use @FreeBSD.org 
address, thanks. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=34893 
State-Changed-From-To: open->analyzed 
State-Changed-By: arved 
State-Changed-When: Sun Jan 19 10:20:54 PST 2003 
State-Changed-Why:  
Daniel, since gnat in ports is now updated to 3.15p, I think this PR is obsolete and can be closed.  

http://www.freebsd.org/cgi/query-pr.cgi?pr=34893 
State-Changed-From-To: analyzed->closed 
State-Changed-By: arved 
State-Changed-When: Thu Apr 24 17:17:23 PDT 2003 
State-Changed-Why:  
gnat has been updated by deischen a few months ago. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34893 
>Unformatted:
