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Apache < 2.0.50 Input Header Folding and mod_ssl DoS

Medium

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote host is using a version of the Apache web server that is less than 2.0.50. This version is vulnerable to two (2) remote Denial of Service (DoS) attacks. The first issue stems from a failure to properly manage memory and could lead to the consumption of massive amounts of memory and, alledgedly,a potential heap overflow. The second issue stems from mod_ssl's inability to handle sessions that terminate before any bytes of data have been sent. This second flaw results in a memory violation that leads to a loss of availability to valid users.

Solution

Upgrade to Apache 2.0.50 or higher.