Fix CVE-2022-1949,CVE-2024-5953
(cherry picked from commit 12831843a312861cb7a9025e118955c5904afc61)
This commit is contained in:
wk333
openeuler-sync-bot
parent
5de01dc8cc
commit
16493bb7e9
@ -6,7 +6,7 @@ ExcludeArch: i686
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Name: 389-ds-base
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Summary: Base 389 Directory Server
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Version: 1.4.3.36
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Release: 6
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Release: 7
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License: GPLv3+
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URL: https://www.port389.org
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Source0: https://github.com/389ds/389-ds-base/archive/refs/tags/389-ds-base-%{version}.tar.gz
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@ -20,6 +20,8 @@ Patch2: CVE-2024-1062-1.patch
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Patch3: CVE-2024-1062-2.patch
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Patch4: CVE-2024-2199.patch
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Patch5: CVE-2024-3657.patch
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Patch6: CVE-2022-1949-Fix-ACI-bypass-in-shortcut-filter-condition.patch
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Patch7: CVE-2024-5953.patch
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BuildRequires: nspr-devel nss-devel >= 3.34 perl-generators openldap-devel libdb-devel cyrus-sasl-devel icu
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BuildRequires: libicu-devel pcre-devel cracklib-devel gcc-c++ net-snmp-devel lm_sensors-devel bzip2-devel
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@ -382,6 +384,9 @@ exit 0
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%{_mandir}/*/*
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%changelog
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* Thu Sep 12 2024 wangkai <13474090681@163.com> - 1.4.3.36-7
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- Fix CVE-2022-1949,CVE-2024-5953
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* Wed Jun 05 2024 wangkai <13474090681@163.com> - 1.4.3.36-6
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- Fix CVE-2024-2199 and CVE-2024-3657
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@ -0,0 +1,26 @@
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Origin: https://build.opensuse.org/projects/SUSE:SLE-15-SP2:Update/packages/389-ds/files/0001-Fix-ACI-bypass-in-shortcut-filter-condition.patch?expand=1
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From 21629670b92260c64c0355d656cd106ff8b84732 Mon Sep 17 00:00:00 2001
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From: William Brown <william@blackhats.net.au>
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Date: Tue, 31 May 2022 10:26:00 +1000
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Subject: [PATCH] Fix ACI bypass in shortcut filter condition
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---
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ldap/servers/slapd/back-ldbm/back-ldbm.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/ldap/servers/slapd/back-ldbm/back-ldbm.h b/ldap/servers/slapd/back-ldbm/back-ldbm.h
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index 9d78ad778..7fb85f0f6 100644
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--- a/ldap/servers/slapd/back-ldbm/back-ldbm.h
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+++ b/ldap/servers/slapd/back-ldbm/back-ldbm.h
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@@ -194,7 +194,7 @@ extern int ldbm_warn_if_no_db;
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* The candidate list size at which it is cheaper to apply the filter test
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* to the whole list than to continue ANDing in IDLs.
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*/
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-#define FILTER_TEST_THRESHOLD (NIDS)10
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+#define FILTER_TEST_THRESHOLD (NIDS)0
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/* flags to indicate what kind of startup the dblayer should do */
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#define DBLAYER_IMPORT_MODE 0x1
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--
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2.36.1
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167
CVE-2024-5953.patch
Normal file
167
CVE-2024-5953.patch
Normal file
@ -0,0 +1,167 @@
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Origin:
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https://github.com/389ds/389-ds-base/commit/e269182d7a5d6d23abba86dbfe0cbadce2ea3147
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https://git.almalinux.org/rpms/389-ds-base/src/commit/4a9b4e4bb82f35452e19999ed6a946d412e82619/SOURCES/0012-Security-fix-for-CVE-2024-5953.patch
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From 57051154bafaf50b83fc27dadbd89a49fd1c8c36 Mon Sep 17 00:00:00 2001
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From: Pierre Rogier <progier@redhat.com>
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Date: Fri, 14 Jun 2024 13:27:10 +0200
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Subject: [PATCH] Security fix for CVE-2024-5953
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Description:
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A denial of service vulnerability was found in the 389 Directory Server.
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This issue may allow an authenticated user to cause a server denial
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of service while attempting to log in with a user with a malformed hash
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in their password.
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Fix Description:
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To prevent buffer overflow when a bind request is processed, the bind fails
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if the hash size is not coherent without even attempting to process further
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the hashed password.
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References:
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- https://nvd.nist.gov/vuln/detail/CVE-2024-5953
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- https://access.redhat.com/security/cve/CVE-2024-5953
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- https://bugzilla.redhat.com/show_bug.cgi?id=2292104
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---
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.../tests/suites/password/regression_test.py | 54 ++++++++++++++++++-
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ldap/servers/plugins/pwdstorage/md5_pwd.c | 9 +++-
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ldap/servers/plugins/pwdstorage/pbkdf2_pwd.c | 6 +++
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3 files changed, 66 insertions(+), 3 deletions(-)
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diff --git a/dirsrvtests/tests/suites/password/regression_test.py b/dirsrvtests/tests/suites/password/regression_test.py
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index 8f1facb6d..1fa581643 100644
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--- a/dirsrvtests/tests/suites/password/regression_test.py
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+++ b/dirsrvtests/tests/suites/password/regression_test.py
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@@ -7,12 +7,14 @@
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#
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import pytest
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import time
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+import glob
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+import base64
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from lib389._constants import PASSWORD, DN_DM, DEFAULT_SUFFIX
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from lib389._constants import SUFFIX, PASSWORD, DN_DM, DN_CONFIG, PLUGIN_RETRO_CHANGELOG, DEFAULT_SUFFIX, DEFAULT_CHANGELOG_DB
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from lib389 import Entry
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from lib389.topologies import topology_m1 as topo_supplier
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-from lib389.idm.user import UserAccounts
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-from lib389.utils import ldap, os, logging, ensure_bytes, ds_is_newer
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+from lib389.idm.user import UserAccounts, UserAccount
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+from lib389.utils import ldap, os, logging, ensure_bytes, ds_is_newer, ds_supports_new_changelog
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from lib389.topologies import topology_st as topo
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from lib389.idm.organizationalunit import OrganizationalUnits
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@@ -39,6 +41,13 @@ TEST_PASSWORDS += ['CNpwtest1ZZZZ', 'ZZZZZCNpwtest1',
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TEST_PASSWORDS2 = (
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'CN12pwtest31', 'SN3pwtest231', 'UID1pwtest123', 'MAIL2pwtest12@redhat.com', '2GN1pwtest123', 'People123')
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+SUPPORTED_SCHEMES = (
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+ "{SHA}", "{SSHA}", "{SHA256}", "{SSHA256}",
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+ "{SHA384}", "{SSHA384}", "{SHA512}", "{SSHA512}",
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+ "{crypt}", "{NS-MTA-MD5}", "{clear}", "{MD5}",
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+ "{SMD5}", "{PBKDF2_SHA256}", "{PBKDF2_SHA512}",
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+ "{GOST_YESCRYPT}", "{PBKDF2-SHA256}", "{PBKDF2-SHA512}" )
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+
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def _check_unhashed_userpw(inst, user_dn, is_present=False):
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"""Check if unhashed#user#password attribute is present or not in the changelog"""
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unhashed_pwd_attribute = 'unhashed#user#password'
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@@ -319,6 +328,47 @@ def test_unhashed_pw_switch(topo_supplier):
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# Add debugging steps(if any)...
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pass
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+@pytest.mark.parametrize("scheme", SUPPORTED_SCHEMES )
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+def test_long_hashed_password(topo, create_user, scheme):
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+ """Check that hashed password with very long value does not cause trouble
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+
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+ :id: 252a1f76-114b-11ef-8a7a-482ae39447e5
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+ :setup: standalone Instance
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+ :parametrized: yes
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+ :steps:
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+ 1. Add a test user user
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+ 2. Set a long password with requested scheme
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+ 3. Bind on that user using a wrong password
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+ 4. Check that instance is still alive
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+ 5. Remove the added user
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+ :expectedresults:
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+ 1. Success
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+ 2. Success
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+ 3. Should get ldap.INVALID_CREDENTIALS exception
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+ 4. Success
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+ 5. Success
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+ """
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+ inst = topo.standalone
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+ inst.simple_bind_s(DN_DM, PASSWORD)
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+ users = UserAccounts(inst, DEFAULT_SUFFIX)
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+ # Make sure that server is started as this test may crash it
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+ inst.start()
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+ # Adding Test user (It may already exists if previous test failed)
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+ user2 = UserAccount(inst, dn='uid=test_user_1002,ou=People,dc=example,dc=com')
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+ if not user2.exists():
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+ user2 = users.create_test_user(uid=1002, gid=2002)
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+ # Setting hashed password
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+ passwd = 'A'*4000
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+ hashed_passwd = scheme.encode('utf-8') + base64.b64encode(passwd.encode('utf-8'))
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+ user2.replace('userpassword', hashed_passwd)
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+ # Bind on that user using a wrong password
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+ with pytest.raises(ldap.INVALID_CREDENTIALS):
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+ conn = user2.bind(PASSWORD)
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+ # Check that instance is still alive
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+ assert inst.status()
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+ # Remove the added user
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+ user2.delete()
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+
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if __name__ == '__main__':
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# Run isolated
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diff --git a/ldap/servers/plugins/pwdstorage/md5_pwd.c b/ldap/servers/plugins/pwdstorage/md5_pwd.c
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index 1e2cf58e7..b9a48d5ca 100644
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--- a/ldap/servers/plugins/pwdstorage/md5_pwd.c
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+++ b/ldap/servers/plugins/pwdstorage/md5_pwd.c
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@@ -37,6 +37,7 @@ md5_pw_cmp(const char *userpwd, const char *dbpwd)
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unsigned char hash_out[MD5_HASH_LEN];
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unsigned char b2a_out[MD5_HASH_LEN * 2]; /* conservative */
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SECItem binary_item;
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+ size_t dbpwd_len = strlen(dbpwd);
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ctx = PK11_CreateDigestContext(SEC_OID_MD5);
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if (ctx == NULL) {
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@@ -45,6 +46,12 @@ md5_pw_cmp(const char *userpwd, const char *dbpwd)
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goto loser;
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}
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+ if (dbpwd_len >= sizeof b2a_out) {
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+ slapi_log_err(SLAPI_LOG_PLUGIN, MD5_SUBSYSTEM_NAME,
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+ "The hashed password stored in the user entry is longer than any valid md5 hash");
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+ goto loser;
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+ }
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+
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/* create the hash */
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PK11_DigestBegin(ctx);
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PK11_DigestOp(ctx, (const unsigned char *)userpwd, strlen(userpwd));
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@@ -57,7 +64,7 @@ md5_pw_cmp(const char *userpwd, const char *dbpwd)
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bver = NSSBase64_EncodeItem(NULL, (char *)b2a_out, sizeof b2a_out, &binary_item);
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/* bver points to b2a_out upon success */
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if (bver) {
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- rc = slapi_ct_memcmp(bver, dbpwd, strlen(dbpwd));
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+ rc = slapi_ct_memcmp(bver, dbpwd, dbpwd_len);
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} else {
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slapi_log_err(SLAPI_LOG_PLUGIN, MD5_SUBSYSTEM_NAME,
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"Could not base64 encode hashed value for password compare");
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diff --git a/ldap/servers/plugins/pwdstorage/pbkdf2_pwd.c b/ldap/servers/plugins/pwdstorage/pbkdf2_pwd.c
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index dcac4fcdd..82b8c9501 100644
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--- a/ldap/servers/plugins/pwdstorage/pbkdf2_pwd.c
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+++ b/ldap/servers/plugins/pwdstorage/pbkdf2_pwd.c
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@@ -255,6 +255,12 @@ pbkdf2_sha256_pw_cmp(const char *userpwd, const char *dbpwd)
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passItem.data = (unsigned char *)userpwd;
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passItem.len = strlen(userpwd);
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+ if (pwdstorage_base64_decode_len(dbpwd, dbpwd_len) > sizeof dbhash) {
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+ /* Hashed value is too long and cannot match any value generated by pbkdf2_sha256_hash */
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+ slapi_log_err(SLAPI_LOG_ERR, (char *)schemeName, "Unable to base64 decode dbpwd value. (hashed value is too long)\n");
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+ return result;
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+ }
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+
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/* Decode the DBpwd to bytes from b64 */
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if (PL_Base64Decode(dbpwd, dbpwd_len, dbhash) == NULL) {
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slapi_log_err(SLAPI_LOG_ERR, (char *)schemeName, "Unable to base64 decode dbpwd value\n");
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--
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2.46.0
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