[krbdev.mit.edu #8898] git commit

Greg Hudson via RT rt-comment at krbdev.mit.edu
Thu Apr 30 12:05:31 EDT 2020


Thu Apr 30 12:05:31 2020: Request 8898 was acted upon.
 Transaction: Ticket created by ghudson at mit.edu
       Queue: krb5
     Subject: git commit
       Owner: ghudson at mit.edu
  Requestors: 
      Status: new
 Ticket <URL: https://krbdev.mit.edu/rt/Ticket/Display.html?id=8898 >



Fix overzealous SPNEGO src_name/deleg_cred release

Commit 24b844714dea3e47b17511746b5df5b6ddf13d43 (ticket 8845) added
releases of sc->internal_name and sc->deleg_cred before calling the
underlying mech's gss_accept_sec_context(), to avoid a potential leak
if the mech reports a value multiple times.  Commit
c2ca2f26eaf817a6a7ed42257c380437ab802bd9 (ticket 8851) added a branch
which calls negoex_accept() instead of calling directly into the
underlying mech.  If negoex_accept() doesn't call into the mech on the
last acceptor leg, the src_name and deleg_cred values from the final
mech call are lost.

Move the releases to the non-NegoEx branch.  negoex_accept() already
does its own releases when it calls into the mech.

Reported by Luke Howard.

https://github.com/krb5/krb5/commit/b2fe66fed560ae28917a4acae6f6c0f020156353
Author: Greg Hudson <ghudson at mit.edu>
Commit: b2fe66fed560ae28917a4acae6f6c0f020156353
Branch: master
 src/lib/gssapi/spnego/spnego_mech.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)



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