Family: Denial of Service --> Category: infos
Apache Input Header Folding and mod_ssl ssl_io_filter_cleanup DoS Vulnerabilities Vulnerability Scan
Vulnerability Scan Summary
Checks for version of Apache
Detailed Explanation for this Vulnerability Test
The remote web server is prone to multiple denial of service attacks.
The remote host appears to be running a version of Apache 2.x which is
older than 2.0.50.
There is denial of service flaw in Apache 2.0.x that can be triggered
by sending a specially-crafted HTTP request, which results in the
consumption of an arbitrary amount of memory. On 64-bit systems with
more than 4GB virtual memory, this may lead to heap based buffer
There is also a denial of service vulnerability in mod_ssl's
'ssl_io_filter_cleanup' function. By sending a request to vulnerable
server over SSL and closing the connection before the server can send
a response, a possible hacker can cause a memory violation that crashes the
See also :
Upgrade to Apache 2.0.50 or newer.
Low / CVSS Base Score : 2
Click HERE for more information and discussions on this network vulnerability scan.