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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
Apache HTTPD Null Pointer Dereference in mod_md Lets Remote Users Deny Service
SecurityTracker Alert ID:  1041401
SecurityTracker URL:  http://securitytracker.com/id/1041401
CVE Reference:   CVE-2018-8011   (Links to External Site)
Date:  Aug 1 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.4.34
Description:   A vulnerability was reported in Apache HTTPD. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted requests to trigger a null pointer dereference in the mod_md challenge handler and cause the target child process to crash.

Daniel Caminada reported this vulnerability.

Impact:   A remote user can cause the target child process to crash.
Solution:   The vendor has issued a fix (2.4.34).

The vendor advisory is available at:

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-8011

Vendor URL:  httpd.apache.org/security/vulnerabilities_24.html#CVE-2018-8011 (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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