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authorRemi Collet <remi@remirepo.net>2022-12-20 08:46:49 +0100
committerRemi Collet <remi@php.net>2022-12-20 08:46:49 +0100
commit80d876b4f8d57b3b46c3d61cc6e8acb937820839 (patch)
treec9de72e8e89fd99db804df96d8772c19813d5ff0 /php-bug81740.patch
parent496438641eb67581cbd56ad2a9dfd934060e60e3 (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.patch87
1 files changed, 87 insertions, 0 deletions
diff --git a/php-bug81740.patch b/php-bug81740.patch
new file mode 100644
index 0000000..5962dd9
--- /dev/null
+++ b/php-bug81740.patch
@@ -0,0 +1,87 @@
+From dad5b771fba02359facd7be0cd2fd0896cdc91ae 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 481b62de97..56d15ae2c0 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 3a800d9c39caca74158a0aa7a2e268cb5ebac701 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)
+(cherry picked from commit dbfbd99e91701c0a5613133c06305fd70545e9ad)
+---
+ NEWS | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/NEWS b/NEWS
+index eded1b91d6..b7d4bf3082 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
+