This script is Copyright (C) 2012 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
Ruby is an extensible, interpreted, object-oriented, scripting
language. It has features to process text files and to do system
A denial of service flaw was found in the implementation of
associative arrays (hashes) in Ruby. An attacker able to supply a
large number of inputs to a Ruby application (such as HTTP POST
request parameters sent to a web application) that are used as keys
when inserting data into an array could trigger multiple hash function
collisions, making array operations take an excessive amount of CPU
time. To mitigate this issue, randomization has been added to the hash
function to reduce the chance of an attacker successfully causing
intentional collisions. (CVE-2011-4815)
All users of ruby are advised to upgrade to these updated packages,
which contain a backported patch to resolve this issue.
See also :
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.8
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 61229 ()
CVE ID: CVE-2011-4815
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