From c6f3298f7864756f4a9b7827e8490a3ee859f82f Mon Sep 17 00:00:00 2001 From: zotlabs Date: Tue, 9 Oct 2018 22:37:53 -0700 Subject: SECURITY: signature issue --- Zotlabs/Web/HTTPSig.php | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'Zotlabs/Web') diff --git a/Zotlabs/Web/HTTPSig.php b/Zotlabs/Web/HTTPSig.php index df66ecf5c..ec7bb0d67 100644 --- a/Zotlabs/Web/HTTPSig.php +++ b/Zotlabs/Web/HTTPSig.php @@ -104,6 +104,21 @@ class HTTPSig { if(strpos($h,'.')) { $spoofable = true; } + if($h === 'host' && (strpos(strtolower(\App::get_hostname()),strtolower($headers[$h])) === false)) { + logger('bad host: ' . $sig_block['keyId'] . ' != ' . $headers[$h]); + return $result; + } + if($h === 'date') { + $d = new \DateTime($headers[$h]); + $d->setTimeZone(new \DateTimeZone('UTC')); + $dplus = datetime_convert('UTC','UTC','now + 1 day'); + $dminus = datetime_convert('UTC','UTC','now - 1 day'); + $c = $d->format('Y-m-d H:i:s'); + if($c > $dplus || $c < $dminus) { + logger('bad time: ' . $c); + return $result; + } + } } $signed_data = rtrim($signed_data,"\n"); -- cgit v1.2.3