diff options
Diffstat (limited to 'php-cve-2024-11236.patch')
| -rw-r--r-- | php-cve-2024-11236.patch | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/php-cve-2024-11236.patch b/php-cve-2024-11236.patch new file mode 100644 index 0000000..277b20a --- /dev/null +++ b/php-cve-2024-11236.patch @@ -0,0 +1,147 @@ +From 5e7cd3e7ed7c894550ca35514708ffe1874a31ad 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) +(cherry picked from commit 5d9e54065ed18c51e4f25d8900635f90810c7394) +(cherry picked from commit 97546df8d6900b115536c17af9213f1da837b82e) +--- + 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 b9277a30e3..b4c65aa4ee 100644 +--- a/ext/pdo_dblib/dblib_driver.c ++++ b/ext/pdo_dblib/dblib_driver.c +@@ -154,6 +154,7 @@ 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) { +@@ -168,7 +169,7 @@ 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; + } + +@@ -176,6 +177,11 @@ 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 0000000000..431c61951e +--- /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 72d4c4e435544c2d87d634188d480099345b601b 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) +(cherry picked from commit b4f73be75dbdde970a18cc7a636898b10400fb3f) +(cherry picked from commit 0530cbfe5c3044537de52d8382eba5d69dbac726) +--- + 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 e2c5ea915a..9ebafe6957 100644 +--- a/ext/pdo_firebird/firebird_driver.c ++++ b/ext/pdo_firebird/firebird_driver.c +@@ -243,7 +243,7 @@ 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; + +@@ -258,6 +258,10 @@ 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 + +From 37056ad634d9c44bac0d6c8e730eafaec1344840 Mon Sep 17 00:00:00 2001 +From: Remi Collet <remi@remirepo.net> +Date: Fri, 22 Nov 2024 15:24:16 +0100 +Subject: [PATCH 3/8] backport ZSTR_MAX_LEN + +--- + Zend/zend_string.h | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/Zend/zend_string.h b/Zend/zend_string.h +index 396b63b266..8ef979f37e 100644 +--- a/Zend/zend_string.h ++++ b/Zend/zend_string.h +@@ -76,6 +76,9 @@ END_EXTERN_C() + + #define _ZSTR_STRUCT_SIZE(len) (_ZSTR_HEADER_SIZE + len + 1) + ++#define ZSTR_MAX_OVERHEAD (ZEND_MM_ALIGNED_SIZE(_ZSTR_HEADER_SIZE + 1)) ++#define ZSTR_MAX_LEN (SIZE_MAX - ZSTR_MAX_OVERHEAD) ++ + #define ZSTR_ALLOCA_ALLOC(str, _len, use_heap) do { \ + (str) = (zend_string *)do_alloca(ZEND_MM_ALIGNED_SIZE_EX(_ZSTR_STRUCT_SIZE(_len), 8), (use_heap)); \ + GC_SET_REFCOUNT(str, 1); \ +-- +2.47.0 + |