openldap: fix CVE-2021-27212 Assertion failure in slapd

Upstream-Status: Backport from https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

Author: Hiten1412

meta-oe/recipes-support/openldap/openldap/CVE-2021-27212.patch

@@ -0,0 +1,31 @@
+From 9badb73425a67768c09bcaed1a9c26c684af6c30 Mon Sep 17 00:00:00 2001
+From: Howard Chu <hyc@openldap.org>
+Date: Sat, 6 Feb 2021 20:52:06 +0000
+Subject: [PATCH] ITS#9454 fix issuerAndThisUpdateCheck
+
+
+Signed-off-by: Howard Chu <hyc@openldap.org>
+
+Upstream-Status: Backport [https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30]
+CVE: CVE-2021-27212
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ servers/slapd/schema_init.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
+index 31be115..8b1e255 100644
+--- a/servers/slapd/schema_init.c
++++ b/servers/slapd/schema_init.c
+@@ -3900,6 +3900,8 @@ issuerAndThisUpdateCheck(
+ 					break;
+ 				}
+ 			}
++			if ( tu->bv_len < STRLENOF("YYYYmmddHHmmssZ") ) return LDAP_INVALID_SYNTAX;
++
+ 			x.bv_val += tu->bv_len + 1;
+ 			x.bv_len -= tu->bv_len + 1;
+ 
+-- 
+2.25.1
+

meta-oe/recipes-support/openldap/openldap_2.4.57.bb

@@ -26,6 +26,7 @@ SRC_URI = "http://www.openldap.org/software/download/OpenLDAP/openldap-release/$
     file://CVE-2022-29155.patch \
     file://CVE-2023-2953-1.patch \
     file://CVE-2023-2953-2.patch \
+    file://CVE-2021-27212.patch \
 "
 SRC_URI[md5sum] = "e3349456c3a66e5e6155be7ddc3f042c"
 SRC_URI[sha256sum] = "c7ba47e1e6ecb5b436f3d43281df57abeffa99262141aec822628bc220f6b45a"