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authorTom Yu <tlyu@mit.edu>2011-03-15 23:50:09 +0000
committerTom Yu <tlyu@mit.edu>2011-03-15 23:50:09 +0000
commitd8bec619e06cea9b25b54770764f3ead23cc5a09 (patch)
tree64495968284e4a850f4ac05a9e9fa48b6090bd01
parentc34804a019ce01c52684d52c2822ce2682af7c5d (diff)
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KDC double-free when PKINIT enabled [MITKRB5-SA-2011-003 CVE-2011-0284]
pull up r24705 from trunk ------------------------------------------------------------------------ r24705 | tlyu | 2011-03-15 17:47:19 -0400 (Tue, 15 Mar 2011) | 8 lines ticket: 6881 subject: KDC double-free when PKINIT enabled [MITKRB5-SA-2011-003 CVE-2011-0284] tags: pullup target_version: 1.9.1 Fix a double-free condition in the KDC that can occur during an AS-REQ when PKINIT is enabled. ticket: 6882 status: resolved version_fixed: 1.8.4 git-svn-id: svn://anonsvn.mit.edu/krb5/branches/krb5-1-8@24707 dc483132-0cff-0310-8789-dd5450dbe970
-rw-r--r--src/kdc/do_as_req.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/kdc/do_as_req.c b/src/kdc/do_as_req.c
index 3924297..4eb752c 100644
--- a/src/kdc/do_as_req.c
+++ b/src/kdc/do_as_req.c
@@ -784,6 +784,8 @@ prepare_error_as (struct kdc_request_state *rstate, krb5_kdc_req *request,
pad->contents = td[size]->data;
pad->length = td[size]->length;
pa[size] = pad;
+ td[size]->data = NULL;
+ td[size]->length = 0;
}
krb5_free_typed_data(kdc_context, td);
}