diff options
Diffstat (limited to 'php-cve-2022-31631.patch')
| -rw-r--r-- | php-cve-2022-31631.patch | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/php-cve-2022-31631.patch b/php-cve-2022-31631.patch new file mode 100644 index 0000000..4826efc --- /dev/null +++ b/php-cve-2022-31631.patch @@ -0,0 +1,84 @@ +From 7cb160efe19d3dfb8b92629805733ea186b55050 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) +--- + 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 0595bd09feb..54f9d05e1e2 100644 +--- a/ext/pdo_sqlite/sqlite_driver.c ++++ b/ext/pdo_sqlite/sqlite_driver.c +@@ -233,6 +233,9 @@ 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 00000000000..99fb07c3048 +--- /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 7328f3a0344806b846bd05657bdce96e47810bf0 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 + +--- + NEWS | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/NEWS b/NEWS +index 8a8c0c9285d..03e8c839c77 100644 +--- a/NEWS ++++ b/NEWS +@@ -1,5 +1,12 @@ + PHP NEWS + ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ++ ++Backported from 8.0.27 ++ ++- PDO/SQLite: ++ . Fixed bug #81740 (PDO::quote() may return unquoted string). ++ (CVE-2022-31631) (cmb) ++ + 03 Nov 2022, PHP 7.4.33 + + - GD: +-- +2.38.1 + |