Message ID | 20210226231318.21482-1-peter@korsgaard.com |
---|---|
State | Accepted |
Headers | show |
Series | package/openldap: add upstream security fix for CVE-2021-27212 | expand |
Peter, All, On 2021-02-27 00:13 +0100, Peter Korsgaard spake thusly: > 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 <peter@korsgaard.com> Applied to master, thanks. Regards, 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 <hyc@openldap.org> > +Date: Sat, 6 Feb 2021 20:52:06 +0000 > +Subject: [PATCH] ITS#9454 fix issuerAndThisUpdateCheck > + > +Signed-off-by: Peter Korsgaard <peter@korsgaard.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 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 > -- > 2.20.1 > > _______________________________________________ > buildroot mailing list > buildroot@busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot
>>>>> "Peter" == Peter Korsgaard <peter@korsgaard.com> writes: > 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 <peter@korsgaard.com> Committed to 2020.02.x and 2020.11.x, thanks.
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 <hyc@openldap.org> +Date: Sat, 6 Feb 2021 20:52:06 +0000 +Subject: [PATCH] ITS#9454 fix issuerAndThisUpdateCheck + +Signed-off-by: Peter Korsgaard <peter@korsgaard.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 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
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 <peter@korsgaard.com> --- ...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