Subject: Re: New thing...
To: Mason Loring Bliss <mason@acheron.middleboro.ma.us>
From: Michael K. Sanders <msanders@confusion.net>
List: tech-security
Date: 03/29/1999 13:33:49
In message <19990329152828.J428@acheron.middleboro.ma.us>, Mason Loring Bliss w
rites:
>This just came across a company list. I haven't checked it for applicability
>to us, and I haven't seen a "formal" warning as yet, but here it is anyway:
This was first pointed out on BugTraq by someone who made it sound
like a NetBSD-specific problem... a fix was committed and posted to
BugTraq shortly thereafter.
>Vulnerability in XFree86
> scoop - March 28th 1999, 23:15 EST
>
> A new vulnerability has been found in XFree86. XFree86 creates a
> directory in /tmp with the name .X11-unix for the X sockets and sets
> the directory to mode 1777. If an attacker creates a symlink with that
> filename and points it to another directory (e.g. /root), the permissions
> of the target directory is set to 1777, thus a local attacker may create
> files with any contents in any directory. The original SuSe security is
> available at the Bugtraq archive. Updated packages for SuSe Linux are
> available on the SuSe FTP Server.
>
>
>--
>Mason Loring Bliss (( "In the drowsy dark cave of the mind dreams
>mason@acheron.middleboro.ma.us )) build their nest with fragments dropped
>http://acheron.ne.mediaone.net (( from day's caravan." - Rabindranath Tagore