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authorAndrew Bartlett <abartlet@samba.org>2014-09-02 09:48:34 +1200
committerMatthieu Patou <mat@samba.org>2014-10-13 08:28:14 +0200
commitbf0db7ecc99482784f4cfc77f6603566f581622e (patch)
tree6faa591177cf1ccc17db24d2408f0bfaddbcc4e9 /source4
parentf593835e54648621a46600bde7866e629718ebf4 (diff)
dsdb: Do not attempt to return beyond the end of the password history array
Found by AddressSanitizer Change-Id: I82e35aea60726053c79510ba8ed3eedfaf553eb7 Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Matthieu Patou <mat@matws.net> Autobuild-User(master): Matthieu Patou <mat@samba.org> Autobuild-Date(master): Mon Oct 13 08:28:15 CEST 2014 on sn-devel-104
Diffstat (limited to 'source4')
-rw-r--r--source4/dsdb/common/util.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/source4/dsdb/common/util.c b/source4/dsdb/common/util.c
index 409191d12b..a892f2da0f 100644
--- a/source4/dsdb/common/util.c
+++ b/source4/dsdb/common/util.c
@@ -570,7 +570,7 @@ NTSTATUS samdb_result_passwords_from_history(TALLOC_CTX *mem_ctx,
if (nt_pwd) {
unsigned int num_nt;
num_nt = samdb_result_hashes(mem_ctx, msg, "ntPwdHistory", &ntPwdHash);
- if (num_nt < idx) {
+ if (num_nt <= idx) {
*nt_pwd = NULL;
} else {
*nt_pwd = &ntPwdHash[idx];
@@ -583,7 +583,7 @@ NTSTATUS samdb_result_passwords_from_history(TALLOC_CTX *mem_ctx,
if (lpcfg_lanman_auth(lp_ctx)) {
unsigned int num_lm;
num_lm = samdb_result_hashes(mem_ctx, msg, "lmPwdHistory", &lmPwdHash);
- if (num_lm < idx) {
+ if (num_lm <= idx) {
*lm_pwd = NULL;
} else {
*lm_pwd = &lmPwdHash[idx];