From 14af75a3038eff8af244db294486a1561729233c Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Mon, 10 Dec 2018 17:11:36 +0100
Subject: Fix #77231 Segfault when using convert.quoted-printable-encode filter
 Fix #77020 null pointer dereference in imap_mail CVE-2018-19935 Fix #77153
 imap_open allows to run arbitrary shell commands via mailbox parameter
 CVE-2018-19158

---
 bug77020.patch | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 bug77020.patch

(limited to 'bug77020.patch')

diff --git a/bug77020.patch b/bug77020.patch
new file mode 100644
index 0000000..eafa38f
--- /dev/null
+++ b/bug77020.patch
@@ -0,0 +1,51 @@
+Backported for 5.4, from 5.6, by Remi
+
+
+From 7edc639b9ff1c3576773d79d016abbeed1f93846 Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <stas@php.net>
+Date: Sun, 11 Nov 2018 10:04:01 -0800
+Subject: [PATCH] Fix #77020: null pointer dereference in imap_mail
+
+If an empty $message is passed to imap_mail(), we must not set message
+to NULL, since _php_imap_mail() is not supposed to handle NULL pointers
+(opposed to pointers to NUL).
+---
+ NEWS                         |  1 +
+ ext/imap/php_imap.c          |  1 -
+ ext/imap/tests/bug77020.phpt | 15 +++++++++++++++
+ 3 files changed, 16 insertions(+), 1 deletion(-)
+ create mode 100644 ext/imap/tests/bug77020.phpt
+
+diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c
+index a23e84c08521..b30440f000f3 100644
+--- a/ext/imap/php_imap.c
++++ b/ext/imap/php_imap.c
+@@ -4088,7 +4088,6 @@ PHP_FUNCTION(imap_mail)
+ 	if (!message_len) {
+ 		/* this is not really an error, so it is allowed. */
+ 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "No message string in mail command");
+-		message = NULL;
+ 	}
+ 
+ 	if (_php_imap_mail(to, subject, message, headers, cc, bcc, rpath TSRMLS_CC)) {
+diff --git a/ext/imap/tests/bug77020.phpt b/ext/imap/tests/bug77020.phpt
+new file mode 100644
+index 000000000000..8a65232eec6d
+--- /dev/null
++++ b/ext/imap/tests/bug77020.phpt
+@@ -0,0 +1,15 @@
++--TEST--
++Bug #77020 (null pointer dereference in imap_mail)
++--SKIPIF--
++<?php
++if (!extension_loaded('imap')) die('skip imap extension not available');
++?>
++--FILE--
++<?php
++imap_mail('1', 1, NULL);
++?>
++===DONE===
++--EXPECTF--
++Warning: imap_mail(): No message string in mail command in %s on line %d
++%s
++===DONE===
-- 
cgit