Flaw found in Apache Web Server

A new flaw discovered in Apache Web Server allows hackers to take control of system privileges, researchers claim.


A new flaw has been discovered in Apache Web Server that could allow cyber criminals to take control of system privileges, according to a security research firm.

Sense of Security (SoS) released an advisory claiming the core mod_isapi module in the most popular open source HTTP server could be targeted to induce the vulnerability.

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The report said: "By sending a specially crafted request followed by a reset packet it is possible to trigger a vulnerability in Apache mod_isapi that will unload the target ISAPI module from memory."

It continued to claim that although this would be unloaded, function pointers would still remain, allowing attackers to take control - what SoS calls "a dangling pointer vulnerability."

The vulnerability was given a high severity rating by the researchers who said it definitely affected version 2.2.14 on the Windows platform but could also affect others.

The simple solution and advice for users is to upgrade to version 2.2.15. Users can also download the proof of concept from SoS from here.

IT PRO contacted Apache for comment on the new flaw but it had not responded to our request at the time of publication.

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