Serious flaw discovered in Apache

[GaryW]

Iain Thomson in San Francisco, V3.co.uk, Tuesday 9 March 2010 at 02:54:00
IT admins warned to upgrade immediately
Security researchers have warned of a serious flaw in the Apache web server
software that could allow hackers to gain system privileges.
The flaw is found in Apache 2.2.14 and earlier versions where the software is
being run on Windows systems, but the latest version 2.2.15 fixes the exploit.
Users are advised to upgrade immediately.
\"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,\" said the
advisory
from Sense of Security.
\"However, function pointers still remain in memory and are called when
published ISAPI functions are referenced. This results in a dangling pointer
vulnerability.\"
Proof-of-concept code for the attack has already been produced, in which a
sos.txt file is sent to the system and is available for download.


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