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import libldb-2.1.3-2.el8

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CentOS Sources 2020-11-03 06:49:34 -05:00 committed by Andrew Lukoshko
parent aa054c1de6
commit 37b99dac8a
4 changed files with 64 additions and 8 deletions
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2
.gitignore vendored
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@ -1 +1 @@
SOURCES/ldb-2.0.7.tar.gz
SOURCES/ldb-2.1.3.tar.gz

2
.libldb.metadata
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@ -1 +1 @@
f80b43fd7461fccfd14d9f81eb83c3bd1543940f SOURCES/ldb-2.0.7.tar.gz
06d1c8457e56b2df26cec16253a62acc789aa6fb SOURCES/ldb-2.1.3.tar.gz

48
SOURCES/CVE-2020-10730.patch Normal file
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@ -0,0 +1,48 @@
From 3bdc110e167d7e0f20022dea48ec51b1f46369cb Mon Sep 17 00:00:00 2001
From: Gary Lockyer <gary@catalyst.net.nz>
Date: Wed, 13 May 2020 10:56:56 +1200
Subject: [PATCH 10/11] CVE-2020-10730: lib ldb: Check if
ldb_lock_backend_callback called twice
Prevent use after free issues if ldb_lock_backend_callback is called
twice, usually due to ldb_module_done being called twice. This can happen if a
module ignores the return value from function a function that calls
ldb_module_done as part of it's error handling.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14364
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---
lib/ldb/common/ldb.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/lib/ldb/common/ldb.c b/lib/ldb/common/ldb.c
index 44a487ba987..090d41dde69 100644
--- a/lib/ldb/common/ldb.c
+++ b/lib/ldb/common/ldb.c
@@ -1009,6 +1009,13 @@ static int ldb_lock_backend_callback(struct ldb_request *req,
struct ldb_db_lock_context *lock_context;
int ret;
+ if (req->context == NULL) {
+ /*
+ * The usual way to get here is to ignore the return codes
+ * and continuing processing after an error.
+ */
+ abort();
+ }
lock_context = talloc_get_type(req->context,
struct ldb_db_lock_context);
@@ -1023,7 +1030,7 @@ static int ldb_lock_backend_callback(struct ldb_request *req,
* If this is a LDB_REPLY_DONE or an error, unlock the
* DB by calling the destructor on this context
*/
- talloc_free(lock_context);
+ TALLOC_FREE(req->context);
return ret;
}
--
2.17.1

20
SPECS/libldb.spec
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@ -1,10 +1,10 @@
%global talloc_version 2.2.0
%global tdb_version 1.4.2
%global tevent_version 0.10.0
%global talloc_version 2.3.1
%global tdb_version 1.4.3
%global tevent_version 0.10.2
Name: libldb
Version: 2.0.7
Release: 3%{?dist}
Version: 2.1.3
Release: 2%{?dist}
Summary: A schema-less, ldap like, API and database
Requires: libtalloc%{?_isa} >= %{talloc_version}
Requires: libtdb%{?_isa} >= %{tdb_version}
@ -42,6 +42,8 @@ Obsoletes: python2-ldb-debuginfo < %{version}-%{release}
# Patches
Patch0001: CVE-2020-10730.patch
%description
An extensible library that implements an LDAP like API to access remote LDAP
servers, or use local tdb databases.
@ -85,7 +87,7 @@ Obsoletes: python-ldb-devel-common < %{version}-%{release}
Development files for the Python bindings for the LDB library
%prep
%autosetup -n ldb-%{version} -p1
%autosetup -n ldb-%{version} -p3
%build
%configure --disable-rpath \
@ -178,6 +180,12 @@ rm -f $RPM_BUILD_ROOT/%{_mandir}/man3/_*
%ldconfig_scriptlets -n python3-ldb
%changelog
* Wed Jun 24 2020 Isaac Boukris <iboukris@redhat.com> - 2.1.3-2
- Resolves: rhbz#1849615 - Fix CVE-2020-10730 use-after-free
* Tue Jun 2 2020 Isaac Boukris <iboukris@redhat.com> - 2.1.3-1
- Resolves: rhbz#1817567 - Rebase libldb to 2.1.3 for samba
* Tue Nov 26 2019 Isaac Boukris <iboukris@redhat.com> - 2.0.7-3
- Resolves: rhbz#1754423 - Rebase libldb to 2.0.7 version for samba
- Related: rhbz#1754423 - Fix sssd tests (ldb)