Bug#514578: LDAP STARTTLS is broken

Brian May brian at microcomaustralia.com.au
Mon Feb 9 23:03:12 UTC 2009


This appears to break LDAP that uses cacert's class 3 certificate[1].

More information at <http://blog.cacert.org/2009/01/356.html#comments>

 From a previous report "you need to trust an intermediary certificate" 
- I already do just that, but it doesn't work. As such, I don't believe 
this is a security risk, because I have a known good copy of the 
intermediary CA certificate.

The server certificate itself is not based on md5.

"renew my certificates" is not an option until cacert generates a new CA 

Unfortunately the result of this may be that I may have to downgrade 
security (e.g. disable TLS) in order to finish the upgrade to Lenny :-(

Any work arounds would be appreciated ;-).


[1] actually I am not positive of this, as the output of "gnutls-cli -p 
ldaps server -d 4711 --print-cert --x509cafile 
/etc/ssl/certs/class3.pem" doesn't mention md5 anywhere, however I know 
the intermediate CA certificate is based on md5 so I am assuming it is 
the same issue as here.

If you want I can open a separate bug report on this.

Brian May <brian at microcomaustralia.com.au>

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