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From 2c8138bda7cb4a98ee34fad4815538dd463e57f9 Mon Sep 17 00:00:00 2001
From: Stanislav Malyshev <stas@php.net>
Date: Sat, 24 Aug 2019 23:11:45 -0700
Subject: [PATCH 1/3] Fix CVE-2019-13224: don't allow different encodings for
onig_new_deluxe()
Backport from https://github.com/kkos/oniguruma/commit/0f7f61ed1b7b697e283e37bd2d731d0bd57adb55
(cherry picked from commit 1258303e66d8dede4f02347334b9f6576e98a21b)
---
ext/mbstring/oniguruma/regext.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/ext/mbstring/oniguruma/regext.c b/ext/mbstring/oniguruma/regext.c
index b1b957b40c..b108e638c6 100644
--- a/ext/mbstring/oniguruma/regext.c
+++ b/ext/mbstring/oniguruma/regext.c
@@ -29,6 +29,7 @@
#include "regint.h"
+#if 0
static void
conv_ext0be32(const UChar* s, const UChar* end, UChar* conv)
{
@@ -158,6 +159,7 @@ conv_encoding(OnigEncoding from, OnigEncoding to, const UChar* s, const UChar* e
return ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION;
}
+#endif
extern int
onig_new_deluxe(regex_t** reg, const UChar* pattern, const UChar* pattern_end,
@@ -169,9 +171,7 @@ onig_new_deluxe(regex_t** reg, const UChar* pattern, const UChar* pattern_end,
if (IS_NOT_NULL(einfo)) einfo->par = (UChar* )NULL;
if (ci->pattern_enc != ci->target_enc) {
- r = conv_encoding(ci->pattern_enc, ci->target_enc, pattern, pattern_end,
- &cpat, &cpat_end);
- if (r) return r;
+ return ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION;
}
else {
cpat = (UChar* )pattern;
--
2.20.1
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