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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
Apache Memory Leak in 'byterange filter' Lets Remote Users Deny Service
SecurityTracker Alert ID:  1014826
SecurityTracker URL:
CVE Reference:   CVE-2005-2728   (Links to External Site)
Updated:  Nov 16 2005
Original Entry Date:  Aug 31 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0.x
Description:   A vulnerability was reported in Apache. A remote user can cause denial of service conditions.

The ap_byterange_filter() function does not properly buffer responses in memory. A remote user can send specially crafted HTTP requests to a CGI script on the target web server that typically provides large responses to trigger a memory leak.

The flaw resides in 'modules/http/http_protocol.c'.

Impact:   A remote user can consume excessive memory on the target system.
Solution:   A source code fix is available via SVN. The code modification is described at:

Vendor URL: (Links to External Site)
Cause:   Resource error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 6 2005 (Red Hat Issues Fix) Apache Memory Leak in 'byterange filter' Lets Remote Users Deny Service
Red Hat has released a fix.
Nov 16 2005 (HP Issues Fix for HP-UX) Apache Memory Leak in 'byterange filter' Lets Remote Users Deny Service
HP has issued a fix for HP-UX B.11.00, B.11.04, B.11.11, and B.11.23.

 Source Message Contents

[Original Message Not Available for Viewing]

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