CVE-2014-3523: Medium severity apache http server vulnerability

Published Jul 20, 2014
·
Updated

Memory leak in the winntaccept function in server/mpm/winnt/child.c in the WinNT MPM in the Apache HTTP Server 2.4.x before 2.4.10 on Windows, when the default AcceptFilter is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted requests.

Other sources

The following flaw has been fixed in the Apache HTTP Server:

"A flaw was found in the WinNT MPM in httpd versions 2.4.1 to 2.4.9, when using the default AcceptFilter for that platform. A remote attacker could send carefully crafted requests that would leak memory and eventually lead to a denial of service against the server."

External References:

http://httpd.apache.org/security/vulnerabilities24.html

Affected Software

10 affected componentsFixes available
redhat/httpd<2.4.10
2.4.10
Apache HTTP Server=2.4.1
Apache HTTP Server=2.4.2
Apache HTTP Server=2.4.3
Apache HTTP Server=2.4.4
Apache HTTP Server=2.4.6
Apache HTTP Server=2.4.7
Apache HTTP Server=2.4.8
Apache HTTP Server=2.4.9
Microsoft Windows

Event History

Jul 20, 2014
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2014-3523?

CVE-2014-3523 has a medium severity level associated with potential denial of service due to memory consumption.

2

How do I fix CVE-2014-3523?

To address CVE-2014-3523, upgrade the Apache HTTP Server to version 2.4.10 or later.

3

Which versions of Apache HTTP Server are affected by CVE-2014-3523?

CVE-2014-3523 affects Apache HTTP Server versions 2.4.1 through 2.4.9.

4

What is the nature of the vulnerability in CVE-2014-3523?

CVE-2014-3523 is characterized by a memory leak in the winnt_accept function, allowing attackers to exploit it for denial of service.

5

What operating system is CVE-2014-3523 relevant to?

CVE-2014-3523 is specifically relevant to the Windows operating system when running affected versions of Apache HTTP Server.

Contact

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