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-rw-r--r--php-cve-2024-11236.patch117
1 files changed, 117 insertions, 0 deletions
diff --git a/php-cve-2024-11236.patch b/php-cve-2024-11236.patch
new file mode 100644
index 0000000..d793ed6
--- /dev/null
+++ b/php-cve-2024-11236.patch
@@ -0,0 +1,117 @@
+From 5d9e54065ed18c51e4f25d8900635f90810c7394 Mon Sep 17 00:00:00 2001
+From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
+Date: Thu, 24 Oct 2024 22:02:17 +0200
+Subject: [PATCH 1/8] Fix GHSA-5hqh-c84r-qjcv: Integer overflow in the dblib
+ quoter causing OOB writes
+
+(cherry picked from commit d9baa9fed8c3ba692a36b388c0c7762e5102e2e0)
+---
+ ext/pdo_dblib/dblib_driver.c | 8 ++++++-
+ ext/pdo_dblib/tests/GHSA-5hqh-c84r-qjcv.phpt | 24 ++++++++++++++++++++
+ 2 files changed, 31 insertions(+), 1 deletion(-)
+ create mode 100644 ext/pdo_dblib/tests/GHSA-5hqh-c84r-qjcv.phpt
+
+diff --git a/ext/pdo_dblib/dblib_driver.c b/ext/pdo_dblib/dblib_driver.c
+index 7f160a402f7..d7d0901ea1a 100644
+--- a/ext/pdo_dblib/dblib_driver.c
++++ b/ext/pdo_dblib/dblib_driver.c
+@@ -152,6 +152,7 @@ static int dblib_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unqu
+
+ size_t i;
+ char * q;
++ size_t extralen = 0;
+ *quotedlen = 0;
+
+ if (H->assume_national_character_set_strings) {
+@@ -166,7 +167,7 @@ static int dblib_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unqu
+
+ /* Detect quoted length, adding extra char for doubled single quotes */
+ for (i = 0; i < unquotedlen; i++) {
+- if (unquoted[i] == '\'') ++*quotedlen;
++ if (unquoted[i] == '\'') ++extralen;
+ ++*quotedlen;
+ }
+
+@@ -174,6 +175,11 @@ static int dblib_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unqu
+ if (use_national_character_set) {
+ ++*quotedlen; /* N prefix */
+ }
++ if (UNEXPECTED(*quotedlen > ZSTR_MAX_LEN - extralen)) {
++ return 0;
++ }
++
++ *quotedlen += extralen;
+ q = *quoted = emalloc(*quotedlen + 1); /* Add byte for terminal null */
+ if (use_national_character_set) {
+ *q++ = 'N';
+diff --git a/ext/pdo_dblib/tests/GHSA-5hqh-c84r-qjcv.phpt b/ext/pdo_dblib/tests/GHSA-5hqh-c84r-qjcv.phpt
+new file mode 100644
+index 00000000000..431c61951ee
+--- /dev/null
++++ b/ext/pdo_dblib/tests/GHSA-5hqh-c84r-qjcv.phpt
+@@ -0,0 +1,24 @@
++--TEST--
++GHSA-5hqh-c84r-qjcv (Integer overflow in the dblib quoter causing OOB writes)
++--EXTENSIONS--
++pdo_dblib
++--SKIPIF--
++<?php
++if (PHP_INT_SIZE != 4) die("skip for 32bit platforms only");
++if (PHP_OS_FAMILY === "Windows") die("skip not for Windows because the virtual address space for application is only 2GiB");
++if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
++require __DIR__ . '/config.inc';
++getDbConnection();
++?>
++--INI--
++memory_limit=-1
++--FILE--
++<?php
++
++require __DIR__ . '/config.inc';
++$db = getDbConnection();
++var_dump($db->quote(str_repeat("'", 2147483646)));
++
++?>
++--EXPECT--
++bool(false)
+--
+2.47.0
+
+From b4f73be75dbdde970a18cc7a636898b10400fb3f Mon Sep 17 00:00:00 2001
+From: Niels Dossche <7771979+nielsdos@users.noreply.github.com>
+Date: Thu, 24 Oct 2024 22:02:36 +0200
+Subject: [PATCH 2/8] Fix GHSA-5hqh-c84r-qjcv: Integer overflow in the firebird
+ quoter causing OOB writes
+
+(cherry picked from commit 69c5f68fdc3deed9ebce2cc44b4bf5e0c47cd28f)
+---
+ ext/pdo_firebird/firebird_driver.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/ext/pdo_firebird/firebird_driver.c b/ext/pdo_firebird/firebird_driver.c
+index e0a424c56ab..fb697978503 100644
+--- a/ext/pdo_firebird/firebird_driver.c
++++ b/ext/pdo_firebird/firebird_driver.c
+@@ -663,7 +663,7 @@ free_statement:
+ static int firebird_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t unquotedlen, /* {{{ */
+ char **quoted, size_t *quotedlen, enum pdo_param_type paramtype)
+ {
+- int qcount = 0;
++ size_t qcount = 0;
+ char const *co, *l, *r;
+ char *c;
+
+@@ -678,6 +678,10 @@ static int firebird_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, size_t u
+ /* count the number of ' characters */
+ for (co = unquoted; (co = strchr(co,'\'')); qcount++, co++);
+
++ if (UNEXPECTED(unquotedlen + 2 > ZSTR_MAX_LEN - qcount)) {
++ return 0;
++ }
++
+ *quotedlen = unquotedlen + qcount + 2;
+ *quoted = c = emalloc(*quotedlen+1);
+ *c++ = '\'';
+--
+2.47.0
+