From 2d6a0ea93e8adf53377b6c1ab06e07ce1ba4961a Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Sat, 27 Feb 2021 00:13:17 +0100 Subject: [PATCH] package/openldap: add upstream security fix for CVE-2021-27212 In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime. For more details, see the bugtracker: https://bugs.openldap.org/show_bug.cgi?id=9454 Signed-off-by: Peter Korsgaard Signed-off-by: Yann E. MORIN --- ...TS-9454-fix-issuerAndThisUpdateCheck.patch | 26 +++++++++++++++++++ package/openldap/openldap.mk | 3 +++ 2 files changed, 29 insertions(+) create mode 100644 package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch diff --git a/package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch b/package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch new file mode 100644 index 0000000000..a611b9ff59 --- /dev/null +++ b/package/openldap/0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch @@ -0,0 +1,26 @@ +From 9badb73425a67768c09bcaed1a9c26c684af6c30 Mon Sep 17 00:00:00 2001 +From: Howard Chu +Date: Sat, 6 Feb 2021 20:52:06 +0000 +Subject: [PATCH] ITS#9454 fix issuerAndThisUpdateCheck + +Signed-off-by: Peter Korsgaard +--- + 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 31be1154e..8b1e25539 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; + +-- +2.20.1 + diff --git a/package/openldap/openldap.mk b/package/openldap/openldap.mk index b4c06d8640..ec11e4fa7d 100644 --- a/package/openldap/openldap.mk +++ b/package/openldap/openldap.mk @@ -13,6 +13,9 @@ OPENLDAP_CPE_ID_VENDOR = openldap OPENLDAP_INSTALL_STAGING = YES OPENLDAP_DEPENDENCIES = host-pkgconf +# 0005-ITS-9454-fix-issuerAndThisUpdateCheck.patch +OPENLDAP_IGNORE_CVES += CVE-2021-27212 + ifeq ($(BR2_PACKAGE_OPENSSL),y) OPENLDAP_TLS = openssl OPENLDAP_DEPENDENCIES += openssl -- 2.30.2