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

3 files changed, 103 insertions, 1 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
diff --git a/bug77380.patch b/bug77380.patch
new file mode 100644
index 0000000..1308863
--- /dev/null
+++ b/bug77380.patch
@@ -0,0 +1,52 @@
+Backported for 5.5 from:
+
+
+
+From 1cc2182bcc81e185c14837e659d12b268cb99d63 Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <stas@php.net>
+Date: Tue, 1 Jan 2019 17:15:20 -0800
+Subject: [PATCH] Fix bug #77380  (Global out of bounds read in xmlrpc base64
+ code)
+
+---
+ ext/xmlrpc/libxmlrpc/base64.c  |  4 ++--
+ ext/xmlrpc/tests/bug77380.phpt | 17 +++++++++++++++++
+ 2 files changed, 19 insertions(+), 2 deletions(-)
+ create mode 100644 ext/xmlrpc/tests/bug77380.phpt
+
+diff --git a/ext/xmlrpc/libxmlrpc/base64.c b/ext/xmlrpc/libxmlrpc/base64.c
+index 5ebdf31f7ade..a4fa19327b76 100644
+--- a/ext/xmlrpc/libxmlrpc/base64.c
++++ b/ext/xmlrpc/libxmlrpc/base64.c
+@@ -169,7 +169,7 @@ void base64_decode_xmlrpc(struct buffer_st *bfr, const char *source, int length)
+ 		return;
+ 	    }
+ 
+-	    if (dtable[c] & 0x80) {
++	    if (dtable[(unsigned char)c] & 0x80) {
+ 	      /*
+ 	      fprintf(stderr, "Offset %i length %i\n", offset, length);
+ 	      fprintf(stderr, "character '%c:%x:%c' in input file.\n", c, c, dtable[c]);
+diff --git a/ext/xmlrpc/tests/bug77380.phpt b/ext/xmlrpc/tests/bug77380.phpt
+new file mode 100644
+index 000000000000..8559c07a5aea
+--- /dev/null
++++ b/ext/xmlrpc/tests/bug77380.phpt
+@@ -0,0 +1,17 @@
++--TEST--
++Bug #77380 (Global out of bounds read in xmlrpc base64 code)
++--SKIPIF--
++<?php
++if (!extension_loaded("xmlrpc")) print "skip";
++?>
++--FILE--
++<?php
++var_dump(xmlrpc_decode(base64_decode("PGJhc2U2ND7CkzwvYmFzZTY0Pgo=")));
++?>
++--EXPECT--
++object(stdClass)#1 (2) {
++  ["scalar"]=>
++  string(0) ""
++  ["xmlrpc_type"]=>
++  string(6) "base64"
++}
diff --git a/php.spec b/php.spec
index 47fc910..ea9787e 100644
--- a/php.spec
+++ b/php.spec
@@ -140,7 +140,7 @@
 Summary: PHP scripting language for creating dynamic web sites
 Name: %{?scl_prefix}php
 Version: 5.5.38
-Release: 10%{?dist}
+Release: 11%{?dist}
 # All files licensed under PHP version 3.01, except
 # Zend is licensed under Zend
 # TSRM is licensed under BSD
@@ -253,6 +253,8 @@ Patch157: bug76582.patch
 Patch158: bug77153.patch
 Patch159: bug77020.patch
 Patch160: bug77231.patch
+Patch161: bug77242.patch
+Patch162: bug77380.patch
 
 # Security fixes (200+)
 
@@ -1006,6 +1008,8 @@ support for using the enchant library to PHP.
 %patch158 -p1 -b .bug77153
 %patch159 -p1 -b .bug77020
 %patch160 -p1 -b .bug77231
+%patch161 -p1 -b .bug77242
+%patch162 -p1 -b .bug77380
 
 : ------------------------
 
@@ -1918,6 +1922,10 @@ EOF
 
 
 %changelog
+* Fri Jan 11 2019 Remi Collet <remi@remirepo.net> - 5.5.38-11
+- Fix #77242 heap out of bounds read in xmlrpc_decode
+- Fix #77380 Global out of bounds read in xmlrpc base64 code
+
 * Mon Dec 10 2018 Remi Collet <remi@remirepo.net> - 5.5.38-10
 - Fix #77231 Segfault when using convert.quoted-printable-encode filter
 - Fix #77020 null pointer dereference in imap_mail