summaryrefslogtreecommitdiffstats
path: root/php-bug81740.patch
diff options
context:
space:
mode:
authorRemi Collet <remi@remirepo.net>2022-12-20 08:00:41 +0100
committerRemi Collet <remi@php.net>2022-12-20 08:00:41 +0100
commitd013369d0b6e77a3a5d391b7eccec64cc147d33e (patch)
tree7d518b2f26e95a5d61fc03cd721cbc1e1913ae49 /php-bug81740.patch
parentd165045581a63e5bb34ac7d442d5094fb13ffc59 (diff)
pdo: fix #81740: PDO::quote() may return unquoted string
CVE-2022-31631 use oracle client library version 21.8
Diffstat (limited to 'php-bug81740.patch')
-rw-r--r--php-bug81740.patch86
1 files changed, 86 insertions, 0 deletions
diff --git a/php-bug81740.patch b/php-bug81740.patch
new file mode 100644
index 0000000..557ad5b
--- /dev/null
+++ b/php-bug81740.patch
@@ -0,0 +1,86 @@
+From b6caf64f9a0c0d9745962e37a57ba4dd32d6a712 Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Mon, 31 Oct 2022 17:20:23 +0100
+Subject: [PATCH 1/2] Fix #81740: PDO::quote() may return unquoted string
+
+`sqlite3_snprintf()` expects its first parameter to be `int`; we need
+to avoid overflow.
+
+(cherry picked from commit 921b6813da3237a83e908998483f46ae3d8bacba)
+(cherry picked from commit 7cb160efe19d3dfb8b92629805733ea186b55050)
+---
+ ext/pdo_sqlite/sqlite_driver.c | 3 +++
+ ext/pdo_sqlite/tests/bug81740.phpt | 17 +++++++++++++++++
+ 2 files changed, 20 insertions(+)
+ create mode 100644 ext/pdo_sqlite/tests/bug81740.phpt
+
+diff --git a/ext/pdo_sqlite/sqlite_driver.c b/ext/pdo_sqlite/sqlite_driver.c
+index f9a2a4d04f..ac466f488e 100644
+--- a/ext/pdo_sqlite/sqlite_driver.c
++++ b/ext/pdo_sqlite/sqlite_driver.c
+@@ -232,6 +232,9 @@ static char *pdo_sqlite_last_insert_id(pdo_dbh_t *dbh, const char *name, size_t
+ /* NB: doesn't handle binary strings... use prepared stmts for that */
+ static int sqlite_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unquotedlen, char **quoted, size_t *quotedlen, enum pdo_param_type paramtype )
+ {
++ if (unquotedlen > (INT_MAX - 3) / 2) {
++ return 0;
++ }
+ *quoted = safe_emalloc(2, unquotedlen, 3);
+ sqlite3_snprintf(2*unquotedlen + 3, *quoted, "'%q'", unquoted);
+ *quotedlen = strlen(*quoted);
+diff --git a/ext/pdo_sqlite/tests/bug81740.phpt b/ext/pdo_sqlite/tests/bug81740.phpt
+new file mode 100644
+index 0000000000..99fb07c304
+--- /dev/null
++++ b/ext/pdo_sqlite/tests/bug81740.phpt
+@@ -0,0 +1,17 @@
++--TEST--
++Bug #81740 (PDO::quote() may return unquoted string)
++--SKIPIF--
++<?php
++if (!extension_loaded('pdo_sqlite')) print 'skip not loaded';
++if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
++?>
++--INI--
++memory_limit=-1
++--FILE--
++<?php
++$pdo = new PDO("sqlite::memory:");
++$string = str_repeat("a", 0x80000000);
++var_dump($pdo->quote($string));
++?>
++--EXPECT--
++bool(false)
+--
+2.38.1
+
+From dbfbd99e91701c0a5613133c06305fd70545e9ad Mon Sep 17 00:00:00 2001
+From: Remi Collet <remi@remirepo.net>
+Date: Mon, 19 Dec 2022 09:24:02 +0100
+Subject: [PATCH 2/2] NEWS
+
+(cherry picked from commit 7328f3a0344806b846bd05657bdce96e47810bf0)
+---
+ NEWS | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/NEWS b/NEWS
+index 7f30a1cd2e..6b05aa48fe 100644
+--- a/NEWS
++++ b/NEWS
+@@ -1,6 +1,12 @@
+ PHP NEWS
+ |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
+
++Backported from 8.0.27
++
++- PDO/SQLite:
++ . Fixed bug #81740 (PDO::quote() may return unquoted string).
++ (CVE-2022-31631) (cmb)
++
+ Backported from 7.4.32
+
+ - Core:
+--
+2.38.1
+