andrey Tue, 27 Apr 2010 08:02:08 +0000
Revision: http://svn.php.net/viewvc?view=revision&revision=298640
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Log:
Fixed possible buffer overflow in mysqlnd_conn__list_fields.
Changed paths:
U php/php-src/branches/PHP_5_3/NEWS
U php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c
U php/php-src/trunk/ext/mysqlnd/mysqlnd.c
Modified: php/php-src/branches/PHP_5_3/NEWS
===================================================================
--- php/php-src/branches/PHP_5_3/NEWS 2010-04-27 06:24:24 UTC (rev 298639)
+++ php/php-src/branches/PHP_5_3/NEWS 2010-04-27 08:02:08 UTC (rev 298640)
@@ -16,6 +16,7 @@
- Implemented FR#35638 (Adding udate to imap_fetch_overview results).
(Charles_Duffy at dell dot com )
+- Fixed possible buffer overflow in mysqlnd_list_fields. (Andrey)
- Fixed handling of session variable serialization on certain prefix
characters. Reported by Stefan Esser (Ilia)
Modified: php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c 2010-04-27 06:24:24 UTC
(rev 298639)
+++ php/php-src/branches/PHP_5_3/ext/mysqlnd/mysqlnd.c 2010-04-27 08:02:08 UTC
(rev 298640)
@@ -1074,14 +1074,16 @@
p = buff;
if (table && (table_len = strlen(table))) {
- memcpy(p, table, MIN(table_len, MYSQLND_MAX_ALLOWED_DB_LEN *
4));
- p += table_len;
+ size_t to_copy = MIN(table_len, MYSQLND_MAX_ALLOWED_DB_LEN * 4);
+ memcpy(p, table, to_copy);
+ p += to_copy;
*p++ = '\0';
}
if (achtung_wild && (wild_len = strlen(achtung_wild))) {
- memcpy(p, achtung_wild, MIN(wild_len,
MYSQLND_MAX_ALLOWED_DB_LEN * 4));
- p += wild_len;
+ size_t to_copy = MIN(wild_len, MYSQLND_MAX_ALLOWED_DB_LEN * 4);
+ memcpy(p, achtung_wild, to_copy);
+ p += to_copy;
*p++ = '\0';
}
Modified: php/php-src/trunk/ext/mysqlnd/mysqlnd.c
===================================================================
--- php/php-src/trunk/ext/mysqlnd/mysqlnd.c 2010-04-27 06:24:24 UTC (rev
298639)
+++ php/php-src/trunk/ext/mysqlnd/mysqlnd.c 2010-04-27 08:02:08 UTC (rev
298640)
@@ -1074,14 +1074,16 @@
p = buff;
if (table && (table_len = strlen(table))) {
- memcpy(p, table, MIN(table_len, MYSQLND_MAX_ALLOWED_DB_LEN *
4));
- p += table_len;
+ size_t to_copy = MIN(table_len, MYSQLND_MAX_ALLOWED_DB_LEN * 4);
+ memcpy(p, table, to_copy);
+ p += to_copy;
*p++ = '\0';
}
if (achtung_wild && (wild_len = strlen(achtung_wild))) {
- memcpy(p, achtung_wild, MIN(wild_len,
MYSQLND_MAX_ALLOWED_DB_LEN * 4));
- p += wild_len;
+ size_t to_copy = MIN(wild_len, MYSQLND_MAX_ALLOWED_DB_LEN * 4);
+ memcpy(p, achtung_wild, to_copy);
+ p += to_copy;
*p++ = '\0';
}
--
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