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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
(Apple Issues Fix for OS X) Apache Web Server Socket Starvation Flaw May Let Remote Users Deny Service
SecurityTracker Alert ID:  1012410
SecurityTracker URL:
CVE Reference:   CVE-2004-0174   (Links to External Site)
Date:  Dec 2 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0.48 and prior versions; 1.3.29 and prior versions
Description:   A vulnerability was reported in the Apache web server. A remote user may be able to cause denial of service conditions.

It is reported that a remote user can establish a short-lived connection to a rarely-accessed listening socket on the target server. This may cause the Apache child process to block new connections until another connection arrives on the rarely-accessed listening socket.

The report indicates that some versions of AIX, Solaris, and Tru64 UNIX are affected, but that FreeBSD and Linux systems are not affected.

Impact:   A remote user may be able to cause the target server to deny connection requests.
Solution:   Apple has issued a fix as part of Security Update 2004-12-02, available at:

- Software Update preferences

- Apple Downloads:

Vendor URL: (Links to External Site)
Cause:   Resource error
Underlying OS:  UNIX (macOS/OS X)
Underlying OS Comments:  Mac OS X v10.3.6, Mac OS X Server v10.3.6, Mac OS X v10.2.8, Mac OS X Server v10.2.8

Message History:   This archive entry is a follow-up to the message listed below.
Mar 19 2004 Apache Web Server Socket Starvation Flaw May Let Remote Users Deny Service

 Source Message Contents

[Original Message Not Available for Viewing]

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