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Category:   Application (Security)  >   Mod_ssl Vendors:   Modssl.org
(Sun Issues Fix for Solaris) Apache mod_ssl Null Pointer Dereference May Let Remote Users Deny Service
SecurityTracker Alert ID:  1016982
SecurityTracker URL:  http://securitytracker.com/id/1016982
CVE Reference:   CVE-2005-3357   (Links to External Site)
Date:  Oct 5 2006
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Apache mod_ssl. A remote user can cause the server to crash in certain cases.

When an SSL virtual host is configured with access control and a custom 400 error document, a remote user can send a specially crafted request to trigger a null pointer dereference. This may cause the server to crash when using the non-default worker
Multi-Processing Module.

The original bug report is available at:

http://issues.apache.org/bugzilla/show_bug.cgi?id=37791

Hartmut Keil reported this vulnerability.

Impact:   A remote user can cause denial of service conditions on the target system.
Solution:   Sun has issued the following fixes.

SPARC Platform

* Solaris 10 with patch 120543-06 or later

x86 Platform

* Solaris 10 with patch 120544-06 or later

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102640-1

Vendor URL:  www.modssl.org/ (Links to External Site)
Cause:   Boundary error, State error
Underlying OS:  UNIX (Solaris - SunOS)
Underlying OS Comments:  10

Message History:   This archive entry is a follow-up to the message listed below.
Jan 6 2006 Apache mod_ssl Null Pointer Dereference May Let Remote Users Deny Service



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