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Fix CVE-2022-24407 (#2057334)

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This commit is contained in:
Jakub Jelen 2022-02-23 10:54:58 +01:00
parent dc7fe71dc5
commit 1722fea689
2 changed files with 87 additions and 0 deletions
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82
0001-CVE-2022-24407-Escape-password-for-SQL-insert-update.patch Normal file
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@ -0,0 +1,82 @@
From 37f2e0f0658d78a1496dc277f402f8b577ce6aae Mon Sep 17 00:00:00 2001
From: Klaus Espenlaub <klaus@espenlaub.com>
Date: Tue, 8 Feb 2022 20:34:40 +0000
Subject: [PATCH] CVE-2022-24407 Escape password for SQL insert/update
commands.
Signed-off-by: Klaus Espenlaub <klaus@espenlaub.com>
---
plugins/sql.c | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/plugins/sql.c b/plugins/sql.c
index 31b54a78..6ac81c2f 100644
--- a/plugins/sql.c
+++ b/plugins/sql.c
@@ -1151,6 +1151,7 @@ static int sql_auxprop_store(void *glob_context,
char *statement = NULL;
char *escap_userid = NULL;
char *escap_realm = NULL;
+ char *escap_passwd = NULL;
const char *cmd;
sql_settings_t *settings;
@@ -1222,6 +1223,11 @@ static int sql_auxprop_store(void *glob_context,
"Unable to begin transaction\n");
}
for (cur = to_store; ret == SASL_OK && cur->name; cur++) {
+ /* Free the buffer, current content is from previous loop. */
+ if (escap_passwd) {
+ sparams->utils->free(escap_passwd);
+ escap_passwd = NULL;
+ }
if (cur->name[0] == '*') {
continue;
@@ -1243,19 +1249,32 @@ static int sql_auxprop_store(void *glob_context,
}
sparams->utils->free(statement);
+ if (cur->values[0]) {
+ escap_passwd = (char *)sparams->utils->malloc(strlen(cur->values[0])*2+1);
+ if (!escap_passwd) {
+ ret = SASL_NOMEM;
+ break;
+ }
+ settings->sql_engine->sql_escape_str(escap_passwd, cur->values[0]);
+ }
+
/* create a statement that we will use */
statement = sql_create_statement(cmd, cur->name, escap_userid,
escap_realm,
- cur->values && cur->values[0] ?
- cur->values[0] : SQL_NULL_VALUE,
+ escap_passwd ?
+ escap_passwd : SQL_NULL_VALUE,
sparams->utils);
+ if (!statement) {
+ ret = SASL_NOMEM;
+ break;
+ }
{
char *log_statement =
sql_create_statement(cmd, cur->name,
escap_userid,
escap_realm,
- cur->values && cur->values[0] ?
+ escap_passwd ?
"<omitted>" : SQL_NULL_VALUE,
sparams->utils);
sparams->utils->log(sparams->utils->conn, SASL_LOG_DEBUG,
@@ -1288,6 +1307,7 @@ static int sql_auxprop_store(void *glob_context,
done:
if (escap_userid) sparams->utils->free(escap_userid);
if (escap_realm) sparams->utils->free(escap_realm);
+ if (escap_passwd) sparams->utils->free(escap_passwd);
if (conn) settings->sql_engine->sql_close(conn);
if (userid) sparams->utils->free(userid);
if (realm) sparams->utils->free(realm);
--
2.25.1

5
cyrus-sasl.spec
View File

@ -50,6 +50,8 @@ Patch500: cyrus-sasl-2.1.27-coverity.patch
Patch501: cyrus-sasl-2.1.27-cumulative-digestmd5.patch
Patch502: cyrus-sasl-2.1.27-cumulative-ossl3.patch
Patch900: 0001-CVE-2022-24407-Escape-password-for-SQL-insert-update.patch
BuildRequires: autoconf, automake, libtool, gdbm-devel, groff
BuildRequires: krb5-devel >= 1.2.2, openssl-devel, pam-devel, pkgconfig
BuildRequires: mariadb-connector-c-devel, libpq-devel, zlib-devel
@ -186,6 +188,9 @@ the GS2 authentication scheme.
%patch501 -p1 -b .digestmd5
%patch502 -p1 -b .ossl3
%patch900 -p1 -b .CVE-2022-24407
%build
# reconfigure
cp %{SOURCE11} ./