Fwd: [OpenAFS] Attacks against AFS lead to crashing machines

Mike W Ellwood m.w.ellwood@rl.ac.uk
Thu, 6 Jun 2002 16:07:11 +0100 (BST)


On Thu, 6 Jun 2002 Todd_DeSantis@transarc.com wrote:

> ---------- Forwarded message begins here ----------
> 
> Hi Wolfgang:
> 
> >  CERN and other institutes are currently attacked from
> >  130.237.48.109 (sul.e.kth.se)
> >  By scanning port 7001 and sending malicious packets the attacker
> >  was able to crash AFS servers.
> >  Reports have shown that at least Solaris 5.6 and 5.7 machines and AIX
> >  4.3.3 machines are affected, but probably that are not the only
> >  platforms.
> 
> >  We reccommend to take appropriate mesures against this attack (at
> >  least  blocking the originating site)
> 
> > The versions of AFS involved in our sad experien ce were 3.6 build
> > 2.5 (patch1) and 3.6 build 2.26 (patch3).
> 
> We addressed many of these problems in Patch 4 of the AFS code base
> 
> 	3.6 build 2.27  and was part of patch 4
> 	3.6 build 2.32
> 
> We would need to verify that the problem you saw was related to the
> problems you saw.
> 
> Thanks
> 
> Todd DeSantis
> AFS Support


Does anyone know if the vulnerability exists in 3.4a (latest build)?

Thanks.


Mike Ellwood