Bug #78200 [NEW]: php-fpm status parsing

From: Date: Sun, 23 Jun 2019 15:03:40 +0000
Subject: Bug #78200 [NEW]: php-fpm status parsing
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-221460@lists.php.net to get a copy of this message 
From:             vnsavage at gmail dot com
Operating system: Debian
PHP version:      7.2.19
Package:          *General Issues
Bug Type:         Bug
Bug description:php-fpm status parsing

Description:
------------
PHP-FPM will not validate that the HTTP status line set in PHP is
correct as described in rfc2616. Thus it will forward an incorrect CGI
"Status:" response (which doesn't conform to rfc3875).

Test script:
---------------
Set this incorrect header from PHP: 

header( 'HTTP/1.1 Service Unavailable', true, 503 );

Then in sapi/fpm/fpm/fpm_main.c we have

                len = slprintf(buf, sizeof(buf), "Status:%s\r\n", s);

which results in "Status: Service Unavailable" sent to the CGI socket.


-- 
Edit bug report at https://bugs.php.net/bug.php?id=78200&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=78200&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=78200&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=78200&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=78200&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=78200&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=78200&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=78200&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=78200&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=78200&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=78200&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=78200&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=78200&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=78200&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78200&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=78200&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=78200&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=78200&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=78200&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=78200&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=78200&r=mysqlcfg

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