Re: Symlink vulnerabilities

[bugs () fbi dhs org]

I apologize as my search wasn't a complex method, just a quick grep for
signs of /tmp misuse. Indeed creating a directory under /tmp is a safeway
to handle tmp files.

> bugs () fbi dhs org wrote:
> > bashbug:
> >
> > /usr/bin/bashbug:TEMPDIR=$TMPDIR/bbug.$$
> >
> > Maybe I should use bashbug to report a bug in bashbug?
>
> I took a quick look, it's actually using mkdir to create a temporary
> directory in /tmp, which it uses for collecting support files.
>
> This is actually a safe way to use /tmp, assuming you check the return
> code
> of mkdir (which it does). The mkdir() system call behaves very differently
> to open(), and is not vulnerable to these attacks.
>
> Tavis.
>
> --
> -------------------------------------
> taviso () cmpxchg8b com | pgp encrypted mail preferred
> -------------------------------------------------------
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/


_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/