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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
(HP Issues Fix for HP-UX) Apache APR Library apr_fnmatch() Flaw Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1026029
SecurityTracker URL:
CVE Reference:   CVE-2011-0419   (Links to External Site)
Updated:  Sep 9 2011
Original Entry Date:  Sep 8 2011
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Apache. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to trigger recursive string matching in the Apache Portable Runtime library's apr_fnmatch() function and cause the target service to consume excessive CPU resources on the target system.

Systems with mod_autoindex enabled and with a directory indexed by mod_autoindex and containing files with sufficiently long names are affected.

Maksymilian Arciemowicz reported this vulnerability.

Impact:   A remote user can cause excessive CPU consumption on the target system.
Solution:   HP has issued a fix for HP-UX 11.23 and 11.31. HP has described a workaround for HP-UX 11.11 in their advisory.

The HP advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  B.11.11, B.11.23, B.11.31

Message History:   This archive entry is a follow-up to the message listed below.
May 12 2011 Apache APR Library apr_fnmatch() Flaw Lets Remote Users Execute Arbitrary Code

 Source Message Contents

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