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Bug #13612 Upload for files sometimes segfaults + patch
Submitted: 2001-10-09 10:06 UTC Modified: 2001-10-09 10:16 UTC
From: mw at sime dot com Assigned:
Status: Closed Package: HTTP related
PHP Version: 4.0.6 OS: Linux tropica1 2.2.19ext3
Private report: No CVE-ID: None
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From: mw at sime dot com
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 [2001-10-09 10:06 UTC] mw at sime dot com 
PHP crashes in rfc1867.c:173, because the variable "rem" is made smaller 2 bytes for every file upload input than it should. a hacky fix is to add the following line to the file rfc1867.c, around line 435:
  state = 0;
  rem -= (loc - ptr);
  ptr = loc;
+ rem = cnt - (buf - ptr);
  break;

but this is not enough imho. in line 173 it should be checked if "loc" is NULL.

I've a complete dump of the form-data and the apache environment, so contact me if you need further information.

Tested with PHP-4.0.6, Apache 1.3.12, Linux 2.2.19, IE 6.0 and NS 6.1

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 [2001-10-09 10:16 UTC] sniper@php.net 
This should be fixed in CVS. (and in PHP 4.0.7RC3)
So please try the latest CVS snapshot from http://snaps.php.net/ and reopen this bug report if it doesn't work.

--Jani
 
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