Switch to 1.11 backport of the CVE-2013-1418 patch

This commit is contained in:
Nalin Dahyabhai 2013-11-04 15:55:03 -05:00
parent a244d8f93c
commit ed5a4a1ffb

View File

@ -1,8 +1,6 @@
Adjusted to apply to 1.11.3.
commit 5d2d9a1abe46a2c1a8614d4672d08d9d30a5f8bf
commit 05c544eef3633b774ca38154ba4c2bf3416b471b
Author: Tom Yu <tlyu@mit.edu>
Date: Mon Nov 4 13:44:29 2013 -0500
Date: Mon Nov 4 15:33:09 2013 -0500
Multi-realm KDC null deref [CVE-2013-1418]
@ -15,21 +13,23 @@ Date: Mon Nov 4 13:44:29 2013 -0500
exploit, and is only present if a third-party KDC database module can
dereference a null pointer under certain conditions.
ticket: 7755 (new)
target_version: 1.12
tags: pullup
(back ported from commit 5d2d9a1abe46a2c1a8614d4672d08d9d30a5f8bf)
ticket: 7756 (new)
version_fixed: 1.11.4
status: resolved
diff --git a/src/kdc/main.c b/src/kdc/main.c
index 0f5961a..a7ffe63 100644
index 1624046..8a085a2 100644
--- a/src/kdc/main.c
+++ b/src/kdc/main.c
@@ -124,6 +124,9 @@ setup_server_realm(struct server_handle *handle, krb5_principal sprinc)
kdc_realm_t **kdc_realmlist = handle->kdc_realmlist;
@@ -125,6 +125,9 @@ setup_server_realm(struct server_handle *handle, krb5_principal sprinc)
int kdc_numrealms = handle->kdc_numrealms;
kret = 0;
+ if (sprinc == NULL)
+ return NULL;
+
kret = 0;
if (kdc_numrealms > 1) {
if (!(newrealm = find_realm_data(handle, sprinc->realm.data,
(krb5_ui_4) sprinc->realm.length)))