oss-security - Re: CVE Request -- pmake -- Use of insecure temporary file for 'depend' target

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Date: Mon, 16 May 2011 15:39:30 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: Matej Vela <vela@...ian.org>, Jakub Jelinek <jakub@...hat.com>,
        "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE Request -- pmake -- Use of insecure
 temporary file for 'depend' target

Please use CVE-2011-1920

Thanks.

-- 
    JB

----- Original Message -----
> Hello Josh, Steve, vendors,
> 
> it was found that pmake (BSD 4.4 version of make) used insecure
> temporary file for 'depend' target when building libraries (/usr/share
> /mk/bsd.lib.mk) and executables (/usr/share/mk/bsd.prog.mk). A local
> attacker could use this flaw to conduct symlink attacks possibly
> leading to their ability to replace content of arbitrary files,
> belonging to user running the pmake tool or ability to modify the
> integrity of .depend file in the home directory of the victim.
> 
> References:
> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626673
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=705090
> 
> Could you allocate a CVE id for this?
> 
> Thank you & Regards, Jan.
> --
> Jan iankko Lieskovsky / Red Hat Security Response Team

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