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Bump version to 1.4.3.39-4

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Resolves: RHEL-34818 - redhat-ds:11/389-ds-base: Malformed userPassword may cause crash at do_modify in slapd/modify.c
Resolves: RHEL-34824 - redhat-ds:11/389-ds-base: potential denial of service via specially crafted kerberos AS-REQ request
This commit is contained in:
James Chapman 2024-06-06 15:37:46 +01:00
parent 202f35e735
commit d2aa1055aa
3 changed files with 329 additions and 1 deletions
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108
0006-CVE-2024-2199.patch Normal file
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@ -0,0 +1,108 @@
From 23956cfb86a312318667fb9376322574fa8ec7f4 Mon Sep 17 00:00:00 2001
From: James Chapman <jachapma@redhat.com>
Date: Wed, 1 May 2024 15:01:33 +0100
Subject: [PATCH] CVE-2024-2199
---
.../tests/suites/password/password_test.py | 56 +++++++++++++++++++
ldap/servers/slapd/modify.c | 8 ++-
2 files changed, 62 insertions(+), 2 deletions(-)
diff --git a/dirsrvtests/tests/suites/password/password_test.py b/dirsrvtests/tests/suites/password/password_test.py
index 1245feb31..e4abd9907 100644
--- a/dirsrvtests/tests/suites/password/password_test.py
+++ b/dirsrvtests/tests/suites/password/password_test.py
@@ -63,6 +63,62 @@ def test_password_delete_specific_password(topology_st):
log.info('test_password_delete_specific_password: PASSED')
+def test_password_modify_non_utf8(topology_st):
+ """Attempt a modify of the userPassword attribute with
+ an invalid non utf8 value
+
+ :id: a31af9d5-d665-42b9-8d6e-fea3d0837d36
+ :setup: Standalone instance
+ :steps:
+ 1. Add a user if it doesnt exist and set its password
+ 2. Verify password with a bind
+ 3. Modify userPassword attr with invalid value
+ 4. Attempt a bind with invalid password value
+ 5. Verify original password with a bind
+ :expectedresults:
+ 1. The user with userPassword should be added successfully
+ 2. Operation should be successful
+ 3. Server returns ldap.UNWILLING_TO_PERFORM
+ 4. Server returns ldap.INVALID_CREDENTIALS
+ 5. Operation should be successful
+ """
+
+ log.info('Running test_password_modify_non_utf8...')
+
+ # Create user and set password
+ standalone = topology_st.standalone
+ users = UserAccounts(standalone, DEFAULT_SUFFIX)
+ if not users.exists(TEST_USER_PROPERTIES['uid'][0]):
+ user = users.create(properties=TEST_USER_PROPERTIES)
+ else:
+ user = users.get(TEST_USER_PROPERTIES['uid'][0])
+ user.set('userpassword', PASSWORD)
+
+ # Verify password
+ try:
+ user.bind(PASSWORD)
+ except ldap.LDAPError as e:
+ log.fatal('Failed to bind as {}, error: '.format(user.dn) + e.args[0]['desc'])
+ assert False
+
+ # Modify userPassword with an invalid value
+ password = b'tes\x82t-password' # A non UTF-8 encoded password
+ with pytest.raises(ldap.UNWILLING_TO_PERFORM):
+ user.replace('userpassword', password)
+
+ # Verify a bind fails with invalid pasword
+ with pytest.raises(ldap.INVALID_CREDENTIALS):
+ user.bind(password)
+
+ # Verify we can still bind with original password
+ try:
+ user.bind(PASSWORD)
+ except ldap.LDAPError as e:
+ log.fatal('Failed to bind as {}, error: '.format(user.dn) + e.args[0]['desc'])
+ assert False
+
+ log.info('test_password_modify_non_utf8: PASSED')
+
if __name__ == '__main__':
# Run isolated
# -s for DEBUG mode
diff --git a/ldap/servers/slapd/modify.c b/ldap/servers/slapd/modify.c
index a20984e0b..fb65d58b3 100644
--- a/ldap/servers/slapd/modify.c
+++ b/ldap/servers/slapd/modify.c
@@ -762,8 +762,10 @@ op_shared_modify(Slapi_PBlock *pb, int pw_change, char *old_pw)
* flagged - leave mod attributes alone */
if (!repl_op && !skip_modified_attrs && lastmod) {
modify_update_last_modified_attr(pb, &smods);
+ slapi_pblock_set(pb, SLAPI_MODIFY_MODS, slapi_mods_get_ldapmods_byref(&smods));
}
+
if (0 == slapi_mods_get_num_mods(&smods)) {
/* nothing to do - no mods - this is not an error - just
send back LDAP_SUCCESS */
@@ -930,8 +932,10 @@ op_shared_modify(Slapi_PBlock *pb, int pw_change, char *old_pw)
/* encode password */
if (pw_encodevals_ext(pb, sdn, va)) {
- slapi_log_err(SLAPI_LOG_CRIT, "op_shared_modify", "Unable to hash userPassword attribute for %s.\n", slapi_entry_get_dn_const(e));
- send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL, "Unable to store attribute \"userPassword\" correctly\n", 0, NULL);
+ slapi_log_err(SLAPI_LOG_CRIT, "op_shared_modify", "Unable to hash userPassword attribute for %s, "
+ "check value is utf8 string.\n", slapi_entry_get_dn_const(e));
+ send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL, "Unable to hash \"userPassword\" attribute, "
+ "check value is utf8 string.\n", 0, NULL);
valuearray_free(&va);
goto free_and_return;
}
--
2.41.0

213
0007-CVE-2024-3657.patch Normal file
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@ -0,0 +1,213 @@
From 5cfa136c48c477765cb20b007ad441ed21534e86 Mon Sep 17 00:00:00 2001
From: Pierre Rogier <progier@redhat.com>
Date: Wed, 17 Apr 2024 18:18:04 +0200
Subject: [PATCH] CVE-2024-3657
---
.../tests/suites/filter/large_filter_test.py | 34 +++++-
ldap/servers/slapd/back-ldbm/index.c | 111 ++++++++++--------
2 files changed, 92 insertions(+), 53 deletions(-)
diff --git a/dirsrvtests/tests/suites/filter/large_filter_test.py b/dirsrvtests/tests/suites/filter/large_filter_test.py
index 964facae5..5390a0f9c 100644
--- a/dirsrvtests/tests/suites/filter/large_filter_test.py
+++ b/dirsrvtests/tests/suites/filter/large_filter_test.py
@@ -13,19 +13,29 @@ verify and testing Filter from a search
import os
import pytest
+import ldap
-from lib389._constants import PW_DM
+from lib389._constants import PW_DM, DEFAULT_SUFFIX, ErrorLog
from lib389.topologies import topology_st as topo
from lib389.idm.user import UserAccounts, UserAccount
from lib389.idm.account import Accounts
from lib389.backend import Backends
from lib389.idm.domain import Domain
+from lib389.utils import get_ldapurl_from_serverid
SUFFIX = 'dc=anuj,dc=com'
pytestmark = pytest.mark.tier1
+def open_new_ldapi_conn(dsinstance):
+ ldapurl, certdir = get_ldapurl_from_serverid(dsinstance)
+ assert 'ldapi://' in ldapurl
+ conn = ldap.initialize(ldapurl)
+ conn.sasl_interactive_bind_s("", ldap.sasl.external())
+ return conn
+
+
@pytest.fixture(scope="module")
def _create_entries(request, topo):
"""
@@ -159,6 +169,28 @@ def test_large_filter(topo, _create_entries, real_value):
assert len(Accounts(conn, SUFFIX).filter(real_value)) == 3
+def test_long_filter_value(topo):
+ """Exercise large eq filter with dn syntax attributes
+
+ :id: b069ef72-fcc3-11ee-981c-482ae39447e5
+ :setup: Standalone
+ :steps:
+ 1. Try to pass filter rules as per the condition.
+ :expectedresults:
+ 1. Pass
+ """
+ inst = topo.standalone
+ conn = open_new_ldapi_conn(inst.serverid)
+ inst.config.loglevel(vals=(ErrorLog.DEFAULT,ErrorLog.TRACE,ErrorLog.SEARCH_FILTER))
+ filter_value = "a\x1Edmin" * 1025
+ conn.search_s(DEFAULT_SUFFIX, ldap.SCOPE_SUBTREE, f'(cn={filter_value})')
+ filter_value = "aAdmin" * 1025
+ conn.search_s(DEFAULT_SUFFIX, ldap.SCOPE_SUBTREE, f'(cn={filter_value})')
+ filter_value = "*"
+ conn.search_s(DEFAULT_SUFFIX, ldap.SCOPE_SUBTREE, f'(cn={filter_value})')
+ inst.config.loglevel(vals=(ErrorLog.DEFAULT,))
+
+
if __name__ == '__main__':
CURRENT_FILE = os.path.realpath(__file__)
pytest.main("-s -v %s" % CURRENT_FILE)
diff --git a/ldap/servers/slapd/back-ldbm/index.c b/ldap/servers/slapd/back-ldbm/index.c
index 86bc825fe..bdac0a616 100644
--- a/ldap/servers/slapd/back-ldbm/index.c
+++ b/ldap/servers/slapd/back-ldbm/index.c
@@ -74,6 +74,32 @@ typedef struct _index_buffer_handle index_buffer_handle;
#define INDEX_BUFFER_FLAG_SERIALIZE 1
#define INDEX_BUFFER_FLAG_STATS 2
+/*
+ * space needed to encode a byte:
+ * 0x00-0x31 and 0x7f-0xff requires 3 bytes: \xx
+ * 0x22 and 0x5C requires 2 bytes: \" and \\
+ * other requires 1 byte: c
+ */
+static char encode_size[] = {
+ /* 0x00 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0x10 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0x20 */ 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 0x30 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 0x40 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 0x50 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1,
+ /* 0x60 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ /* 0x70 */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3,
+ /* 0x80 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0x90 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0xA0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0xB0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0xC0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0xD0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0xE0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ /* 0xF0 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+};
+
+
/* Index buffering functions */
static int
@@ -802,65 +828,46 @@ index_add_mods(
/*
* Convert a 'struct berval' into a displayable ASCII string
+ * returns the printable string
*/
-
-#define SPECIAL(c) (c < 32 || c > 126 || c == '\\' || c == '"')
-
const char *
encode(const struct berval *data, char buf[BUFSIZ])
{
- char *s;
- char *last;
- if (data == NULL || data->bv_len == 0)
- return "";
- last = data->bv_val + data->bv_len - 1;
- for (s = data->bv_val; s < last; ++s) {
- if (SPECIAL(*s)) {
- char *first = data->bv_val;
- char *bufNext = buf;
- size_t bufSpace = BUFSIZ - 4;
- while (1) {
- /* printf ("%lu bytes ASCII\n", (unsigned long)(s - first)); */
- if (bufSpace < (size_t)(s - first))
- s = first + bufSpace - 1;
- if (s != first) {
- memcpy(bufNext, first, s - first);
- bufNext += (s - first);
- bufSpace -= (s - first);
- }
- do {
- if (bufSpace) {
- *bufNext++ = '\\';
- --bufSpace;
- }
- if (bufSpace < 2) {
- memcpy(bufNext, "..", 2);
- bufNext += 2;
- goto bail;
- }
- if (*s == '\\' || *s == '"') {
- *bufNext++ = *s;
- --bufSpace;
- } else {
- sprintf(bufNext, "%02x", (unsigned)*(unsigned char *)s);
- bufNext += 2;
- bufSpace -= 2;
- }
- } while (++s <= last && SPECIAL(*s));
- if (s > last)
- break;
- first = s;
- while (!SPECIAL(*s) && s <= last)
- ++s;
- }
- bail:
- *bufNext = '\0';
- /* printf ("%lu chars in buffer\n", (unsigned long)(bufNext - buf)); */
+ if (!data || !data->bv_val) {
+ strcpy(buf, "<NULL>");
+ return buf;
+ }
+ char *endbuff = &buf[BUFSIZ-4]; /* Reserve space to append "...\0" */
+ char *ptout = buf;
+ unsigned char *ptin = (unsigned char*) data->bv_val;
+ unsigned char *endptin = ptin+data->bv_len;
+
+ while (ptin < endptin) {
+ if (ptout >= endbuff) {
+ /*
+ * BUFSIZ(8K) > SLAPI_LOG_BUFSIZ(2K) so the error log message will be
+ * truncated anyway. So there is no real interrest to test if the original
+ * data contains no special characters and return it as is.
+ */
+ strcpy(endbuff, "...");
return buf;
}
+ switch (encode_size[*ptin]) {
+ case 1:
+ *ptout++ = *ptin++;
+ break;
+ case 2:
+ *ptout++ = '\\';
+ *ptout++ = *ptin++;
+ break;
+ case 3:
+ sprintf(ptout, "\\%02x", *ptin++);
+ ptout += 3;
+ break;
+ }
}
- /* printf ("%lu bytes, all ASCII\n", (unsigned long)(s - data->bv_val)); */
- return data->bv_val;
+ *ptout = 0;
+ return buf;
}
static const char *
--
2.44.0

9
389-ds-base.spec
View File

@ -48,7 +48,7 @@ ExcludeArch: i686
Summary: 389 Directory Server (base)
Name: 389-ds-base
Version: 1.4.3.39
Release: %{?relprefix}3%{?prerel}%{?dist}
Release: %{?relprefix}4%{?prerel}%{?dist}
License: GPLv3+ and (ASL 2.0 or MIT)
URL: https://www.port389.org
Group: System Environment/Daemons
@ -298,6 +298,8 @@ Patch02: 0002-Issue-5647-Fix-unused-variable-warning-from-previous.patc
Patch03: 0003-Issue-5407-sync_repl-crashes-if-enabled-while-dynami.patch
Patch04: 0004-Issue-5547-automember-plugin-improvements.patch
Patch05: 0001-Issue-3527-Support-HAProxy-and-Instance-on-the-same-.patch
Patch06: 0006-CVE-2024-2199.patch
Patch07: 0007-CVE-2024-3657.patch
%description
389 Directory Server is an LDAPv3 compliant server. The base package includes
@ -919,6 +921,11 @@ exit 0
%doc README.md
%changelog
* Thu Jun 06 2024 James Chapman <jachapma@redhat.com> - 1.4.3.39-4
- Bump version to 1.4.3.39-4
- Resolves: RHEL-34818 - redhat-ds:11/389-ds-base: Malformed userPassword may cause crash at do_modify in slapd/modify.c
- Resolves: RHEL-34824 - redhat-ds:11/389-ds-base: potential denial of service via specially crafted kerberos AS-REQ request
* Thu Mar 14 2024 Simon Pichugin <spichugi@redhat.com> - 1.4.3.39-3
- Bump version to 1.4.3.39-3
- Resolves: RHEL-19240 - RFE Add PROXY protocol support to 389-ds-base via confiuration item - similar to Postfix