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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
(HP Issues Fix for Apache on HP-UX) Apache mod_ssl Null Pointer Dereference May Let Remote Users Deny Service
SecurityTracker Alert ID:  1016778
SecurityTracker URL:  http://securitytracker.com/id/1016778
CVE Reference:   CVE-2005-3357   (Links to External Site)
Date:  Sep 1 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:   HP has issued a fix (B.2.0.58.00) for Apache for HP-UX.

The HP advisory is available at:

https://www1.itrc.hp.com/service/cki/docDisplay.do?docId=c00760969

Cause:   Boundary error, State error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  B.11.00, B.11.11, B.11.23

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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