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authorRemi Collet <remi@remirepo.net>2019-01-11 13:38:24 +0100
committerRemi Collet <remi@remirepo.net>2019-01-11 13:38:24 +0100
commitd86fc6e7b23f6fe389b22746f775b93d5d80d0ca (patch)
tree21553e6c08b92b5ba9cb39d356e8ea9ce4b30cae /bug77242.patch
parentdc48891fbc3cd62ab4f340fa6b2fa06ee6cce75b (diff)
Backport xmlrpc security fix from 5.6.40
- Fix #77242 heap out of bounds read in xmlrpc_decode - Fix #77380 Global out of bounds read in xmlrpc base64 code
Diffstat (limited to 'bug77242.patch')
-rw-r--r--bug77242.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/bug77242.patch b/bug77242.patch
new file mode 100644
index 0000000..485ed8a
--- /dev/null
+++ b/bug77242.patch
@@ -0,0 +1,42 @@
+From 4fc0bceb7c39be206c73f69993e3936ef329f656 Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <stas@php.net>
+Date: Sat, 29 Dec 2018 17:56:36 -0800
+Subject: [PATCH] Fix bug #77242 (heap out of bounds read in xmlrpc_decode())
+
+---
+ ext/xmlrpc/libxmlrpc/xml_element.c | 3 +++
+ ext/xmlrpc/tests/bug77242.phpt | 10 ++++++++++
+ 2 files changed, 13 insertions(+)
+ create mode 100644 ext/xmlrpc/tests/bug77242.phpt
+
+diff --git a/ext/xmlrpc/libxmlrpc/xml_element.c b/ext/xmlrpc/libxmlrpc/xml_element.c
+index 56642d46142e..eeec5379bf68 100644
+--- a/ext/xmlrpc/libxmlrpc/xml_element.c
++++ b/ext/xmlrpc/libxmlrpc/xml_element.c
+@@ -723,6 +723,9 @@ xml_element* xml_elem_parse_buf(const char* in_buf, int len, XML_ELEM_INPUT_OPTI
+ long byte_idx = XML_GetCurrentByteIndex(parser);
+ /* int byte_total = XML_GetCurrentByteCount(parser); */
+ const char * error_str = XML_ErrorString(err_code);
++ if(byte_idx > len) {
++ byte_idx = len;
++ }
+ if(byte_idx >= 0) {
+ snprintf(buf,
+ sizeof(buf),
+diff --git a/ext/xmlrpc/tests/bug77242.phpt b/ext/xmlrpc/tests/bug77242.phpt
+new file mode 100644
+index 000000000000..542c06311f74
+--- /dev/null
++++ b/ext/xmlrpc/tests/bug77242.phpt
+@@ -0,0 +1,10 @@
++--TEST--
++Bug #77242 (heap out of bounds read in xmlrpc_decode())
++--SKIPIF--
++<?php if (!extension_loaded("xmlrpc")) print "skip"; ?>
++--FILE--
++<?php
++var_dump(xmlrpc_decode(base64_decode("PD94bWwgdmVyc2lvbmVuY29kaW5nPSJJU084ODU5NyKkpKSkpKSkpKSkpKSkpKSkpKSkpKSk")));
++?>
++--EXPECT--
++NULL
+\ No newline at end of file