Core:

  Fix #79877 getimagesize function silently truncates after a null byte
Phar:
  Fix #79797 use of freed hash key in the phar_parse_zipfile function
  CVE-2020-7068

3 files changed, 122 insertions, 1 deletions

diff --git a/php-bug79797.patch b/php-bug79797.patch
new file mode 100644
index 0000000..9c964ca
--- /dev/null
+++ b/php-bug79797.patch
@@ -0,0 +1,48 @@
+From bdf9d2ee3a565fef3160690d7a0dd06218e6efc0 Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Tue, 14 Jul 2020 17:04:24 +0200
+Subject: [PATCH] Fix #79797: Use of freed hash key in the phar_parse_zipfile
+ function
+
+We must not use heap memory after we freed it.
+
+(cherry picked from commit 7355ab81763a3d6a04ac11660e6a16d58838d187)
+---
+ NEWS                         |   6 ++++++
+ ext/phar/tests/bug79797.phar | Bin 0 -> 274 bytes
+ ext/phar/tests/bug79797.phpt |  14 ++++++++++++++
+ ext/phar/zip.c               |   2 +-
+ 4 files changed, 21 insertions(+), 1 deletion(-)
+ create mode 100644 ext/phar/tests/bug79797.phar
+ create mode 100644 ext/phar/tests/bug79797.phpt
+
+diff --git a/NEWS b/NEWS
+index 19fbb3adf2..69361ae49a 100644
+--- a/NEWS
++++ b/NEWS
+@@ -1,6 +1,12 @@
+ PHP                                                                        NEWS
+ |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
+ 
++Backported from 7.2.33
++
++- Phar:
++  . Fixed bug #79797 (Use of freed hash key in the phar_parse_zipfile
++    function). (CVE-2020-7068) (cmb)
++
+ Backported from 7.2.31
+ 
+ - Core:
+diff --git a/ext/phar/zip.c b/ext/phar/zip.c
+index d615e8adda..50c5d69e9b 100644
+--- a/ext/phar/zip.c
++++ b/ext/phar/zip.c
+@@ -703,7 +703,7 @@ int phar_parse_zipfile(php_stream *fp, char *fname, int fname_len, char *alias,
+ 			efree(actual_alias);
+ 		}
+ 
+-		zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), actual_alias, mydata->alias_len, mydata);
++		zend_hash_str_add_ptr(&(PHAR_G(phar_alias_map)), mydata->alias, mydata->alias_len, mydata);
+ 	} else {
+ 		phar_archive_data *fd_ptr;
+ 
diff --git a/php-bug79877.patch b/php-bug79877.patch
new file mode 100644
index 0000000..25738d7
--- /dev/null
+++ b/php-bug79877.patch
@@ -0,0 +1,62 @@
+From 2c27d6bdd38bd8c4a27da5aded3477457e72c639 Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Tue, 21 Jul 2020 11:07:43 +0200
+Subject: [PATCH] Fix #79877: getimagesize function silently truncates after a
+ null byte
+
+We have to check for NUL bytes if `getimagesize()` has been called.
+
+(cherry picked from commit ff577b04c0d250473a0ef46f8e332960fec3ca2c)
+---
+ NEWS                                   | 4 ++++
+ ext/standard/image.c                   | 5 +++++
+ ext/standard/tests/image/bug79877.phpt | 9 +++++++++
+ 3 files changed, 18 insertions(+)
+ create mode 100644 ext/standard/tests/image/bug79877.phpt
+
+diff --git a/NEWS b/NEWS
+index 69361ae49a..2c340eb648 100644
+--- a/NEWS
++++ b/NEWS
+@@ -3,6 +3,10 @@ PHP                                                                        NEWS
+ 
+ Backported from 7.2.33
+ 
++- Core:
++  . Fixed bug #79877 (getimagesize function silently truncates after a null 
++    byte) (cmb)
++
+ - Phar:
+   . Fixed bug #79797 (Use of freed hash key in the phar_parse_zipfile
+     function). (CVE-2020-7068) (cmb)
+diff --git a/ext/standard/image.c b/ext/standard/image.c
+index 1d999ca1b9..a5a86c2b52 100644
+--- a/ext/standard/image.c
++++ b/ext/standard/image.c
+@@ -1474,6 +1474,11 @@ static void php_getimagesize_from_any(INTERNAL_FUNCTION_PARAMETERS, int mode) {
+ 			return;
+ 	}
+ 
++	if (mode == FROM_PATH && CHECK_NULL_PATH(input, input_len)) {
++		php_error_docref(NULL, E_WARNING, "Invalid path");
++		return;
++	}
++
+ 	if (argc == 2) {
+ 		zval_dtor(info);
+ 		array_init(info);
+diff --git a/ext/standard/tests/image/bug79877.phpt b/ext/standard/tests/image/bug79877.phpt
+new file mode 100644
+index 0000000000..92e93e59e5
+--- /dev/null
++++ b/ext/standard/tests/image/bug79877.phpt
+@@ -0,0 +1,9 @@
++--TEST--
++Bug #79877 (getimagesize function silently truncates after a null byte)
++--FILE--
++<?php
++var_dump(getimagesize("/tmp/a.png\0xx"));
++?>
++--EXPECTF--
++Warning: getimagesize(): Invalid path in %s on line %d
++NULL
diff --git a/php71.spec b/php71.spec
index 063b31b..b8375d8 100644
--- a/php71.spec
+++ b/php71.spec
@@ -118,7 +118,7 @@
 Summary: PHP scripting language for creating dynamic web sites
 Name: php
 Version: %{upver}%{?rcver:~%{rcver}}
-Release: 8%{?dist}
+Release: 9%{?dist}
 # All files licensed under PHP version 3.01, except
 # Zend is licensed under Zend
 # TSRM is licensed under BSD
@@ -195,6 +195,8 @@ Patch214: php-bug79330.patch
 Patch215: php-bug79465.patch
 Patch216: php-bug78875.patch
 Patch217: php-bug78876.patch
+Patch218: php-bug79797.patch
+Patch219: php-bug79877.patch
 
 # Fixes for tests (300+)
 # Factory is droped from system tzdata
@@ -1068,6 +1070,8 @@ support for JavaScript Object Notation (JSON) to PHP.
 %patch215 -p1 -b .bug79465
 %patch216 -p1 -b .bug78875
 %patch217 -p1 -b .bug78876
+%patch218 -p1 -b .bug79797
+%patch219 -p1 -b .bug79877
 
 # Fixes for tests
 %if 0%{?fedora} >= 25 || 0%{?rhel} >= 6
@@ -2142,6 +2146,13 @@ EOF
 
 
 %changelog
+* Tue Aug  4 2020 Remi Collet <remi@remirepo.net> - 7.1.33-9
+- Core:
+  Fix #79877 getimagesize function silently truncates after a null byte
+- Phar:
+  Fix #79797 use of freed hash key in the phar_parse_zipfile function
+  CVE-2020-7068
+
 * Tue May 12 2020 Remi Collet <remi@remirepo.net> - 7.1.33-8
 - Core:
   Fix #78875 Long filenames cause OOM and temp files are not cleaned