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Bug #23669 Segmentation fault occurs when calling PHP CGI as directory index
Submitted: 2003-05-17 00:31 UTC Modified: 2003-05-17 13:57 UTC
From: m5issige at mr dot hitachi-medical dot co dot jp Assigned:
Status: Closed Package: CGI/CLI related
PHP Version: 4.3.2RC3 OS: SunOS 5.6
Private report: No CVE-ID: None
View Developer Edit
 [2003-05-17 00:31 UTC] m5issige at mr dot hitachi-medical dot co dot jp 
When calling PHP script as directory index, it will be terminated with segment fault in file cgi_main.c at line 709.

sapi/cgi/cgi_main.c:
    708             if (stat( script_path_translated, &st ) == -1 ) {
    709                 char *pt = estrdup(script_path_translated);
    710                 int len = strlen(pt);
    711                 char *ptr;

Test script:
<?php phpinfo(); ?>

Apatch setting (in .htaccess):
DirectoryIndex index.cgi index.html

Then, access to http://myhost.example.com/path/to/parent/directory/of/the/script/

Environment:
SunOS 5.6 with Apache 1.2.4 (yep, very old...)

Configure:
--prefix=$HOME --disable-cli
--disable-all --without-mysql --enable-safe-mode
--with-pcre-regex --with-regex=php --enable-mbstring
--enable-mbregex --enable-zend-multibyte --enable-fastcgi
--enable-session
(I can not swith to root, so I install PHP into my own directory)

Osamu Shigematsu

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 [2003-05-17 03:47 UTC] moriyoshi@php.net 
I can replicate the problem with the following shell script:

#!/bin/sh
REDIRECT_STATUS=200
REDIRECT_URL=/
REQUEST_METHOD=GET
REQUEST_URI=/
SCRIPT_FILENAME=blah
SCRIPT_NAME=/index.cgi
QUERY_STRING=

export REDIRECT_STATUS REDIRECT_URL REQUEST_METHOD REQUEST_URI PATH_TRANSLATED PATH_INFO SCRIPT_FILENAME SCRIPT_NAME QUERY_STRING 

gdb sapi/cgi/php
 [2003-05-17 13:57 UTC] moriyoshi@php.net 
This bug has been fixed in CVS.

In case this was a PHP problem, snapshots of the sources are packaged
every three hours; this change will be in the next snapshot. You can
grab the snapshot at http://snaps.php.net/.
 
In case this was a documentation problem, the fix will show up soon at
http://www.php.net/manual/.

In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites in short time.
 
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