From eed355b798ec77ed8b67555087fc5866b522c5fc Mon Sep 17 00:00:00 2001 From: Marc Alexander Date: Fri, 10 Apr 2015 18:02:58 +0200 Subject: [PATCH 1/2] [ticket/security-180] Check if redirect URL contains board URL SECURITY-180 --- phpBB/includes/functions.php | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index f0657b9016..f79a0a9e52 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -2579,6 +2579,12 @@ function redirect($url, $return = false, $disable_cd_check = false) } } + // Make sure we don't redirect to external URLs + if (!$disable_cd_check && strpos($url, generate_board_url(true)) !== 0) + { + trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR); + } + // Make sure no linebreaks are there... to prevent http response splitting for PHP < 4.4.2 if (strpos(urldecode($url), "\n") !== false || strpos(urldecode($url), "\r") !== false || strpos($url, ';') !== false) { From bca1b96b2e9235bbb4a3e7a104dd79e7f3761679 Mon Sep 17 00:00:00 2001 From: Marc Alexander Date: Sat, 11 Apr 2015 16:41:20 +0200 Subject: [PATCH 2/2] [ticket/security-180] Make sure that redirect goes to full URL plus slash SECURITY-180 --- phpBB/includes/functions.php | 2 +- tests/security/redirect_test.php | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index f79a0a9e52..a6a98954de 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -2580,7 +2580,7 @@ function redirect($url, $return = false, $disable_cd_check = false) } // Make sure we don't redirect to external URLs - if (!$disable_cd_check && strpos($url, generate_board_url(true)) !== 0) + if (!$disable_cd_check && strpos($url, generate_board_url(true) . '/') !== 0) { trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR); } diff --git a/tests/security/redirect_test.php b/tests/security/redirect_test.php index 872a331dc7..46ec5c8edb 100644 --- a/tests/security/redirect_test.php +++ b/tests/security/redirect_test.php @@ -24,6 +24,9 @@ class phpbb_security_redirect_test extends phpbb_security_test_base array("http://localhost/phpBB/memberlist.php\n\rConnection: close", 'Tried to redirect to potentially insecure url.', false), array('javascript:test', false, 'http://localhost/phpBB/../javascript:test'), array('http://localhost/phpBB/index.php;url=', 'Tried to redirect to potentially insecure url.', false), + array('https://foobar.com\@http://localhost/phpBB', false, 'http://localhost/phpBB'), + array('https://foobar.com\@localhost/troll/http://localhost/', 'Tried to redirect to potentially insecure url.', false), + array('http://localhost.foobar.com\@localhost/troll/http://localhost/', 'Tried to redirect to potentially insecure url.', false), ); }