Openssl and openssh

Markus Friedl Markus.Friedl at informatik.uni-erlangen.de
Mon Aug 5 19:17:58 EST 2002


On Thu, Aug 01, 2002 at 05:08:24PM +0200, Florian Weimer wrote:
> "kumar" <kumareshind at gmx.net> writes:
> 
> > I had seen some recommendations for and against that these vulnerabilities
> > affects OpenSSH.
> 
> Protocol 2 RSA public key/host based authentication calls OpenSSL's
> RSA_verify, which ueses the ASN.1 parser internally.  Exploiting
> CAN-2002-0659 still requires that the SSH2 public key has been stored
> on the SSH server, so no anonymous attacks are possible in typical
> contexts.

we will probably try this in the future:

http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/ssh-rsa.c.diff?r1=1.24&r2=1.25



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