Home
Reading
Searching
Subscribe
Sponsors
Statistics
Posting
Contact
Spam
Lists
Links
About
Hosting
Filtering
Features Download
Marketing
Archives
FAQ
Blog
 
Gmane
From: <riehecky-13hema8v3vg <at> public.gmane.org>
Subject: Security ERRATA Moderate: ruby on SL4.x, SL5.x i386/x86_64
Newsgroups: gmane.linux.scientific.errata
Date: Monday 30th January 2012 21:54:11 UTC (over 4 years ago)
Synopsis:    Moderate: ruby security update
Issue Date:  2012-01-30
CVE Numbers: CVE-2011-2686
             CVE-2011-4815


Ruby is an extensible, interpreted, object-oriented, scripting language. It
has features to process text files and to do system management tasks.

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)

It was found that Ruby did not reinitialize the PRNG (pseudorandom number
generator) after forking a child process. This could eventually lead to the
PRNG returning the same result twice. An attacker keeping track of the
values returned by one child process could use this flaw to predict the
values the PRNG would return in other child processes (as long as the
parent process persisted). (CVE-2011-3009)

All users of ruby are advised to upgrade to these updated packages, which
contain backported patches to resolve these issues.

SL4:
  i386
     irb-1.8.1-18.el4.i386.rpm
     ruby-1.8.1-18.el4.i386.rpm
     ruby-debuginfo-1.8.1-18.el4.i386.rpm
     ruby-devel-1.8.1-18.el4.i386.rpm
     ruby-docs-1.8.1-18.el4.i386.rpm
     ruby-libs-1.8.1-18.el4.i386.rpm
     ruby-mode-1.8.1-18.el4.i386.rpm
     ruby-tcltk-1.8.1-18.el4.i386.rpm
  x86_64
     irb-1.8.1-18.el4.x86_64.rpm
     ruby-1.8.1-18.el4.x86_64.rpm
     ruby-debuginfo-1.8.1-18.el4.i386.rpm
     ruby-debuginfo-1.8.1-18.el4.x86_64.rpm
     ruby-devel-1.8.1-18.el4.x86_64.rpm
     ruby-docs-1.8.1-18.el4.x86_64.rpm
     ruby-libs-1.8.1-18.el4.i386.rpm
     ruby-libs-1.8.1-18.el4.x86_64.rpm
     ruby-mode-1.8.1-18.el4.x86_64.rpm
     ruby-tcltk-1.8.1-18.el4.x86_64.rpm
SL5:
  i386
     ruby-1.8.5-22.el5_7.1.i386.rpm
     ruby-debuginfo-1.8.5-22.el5_7.1.i386.rpm
     ruby-devel-1.8.5-22.el5_7.1.i386.rpm
     ruby-docs-1.8.5-22.el5_7.1.i386.rpm
     ruby-irb-1.8.5-22.el5_7.1.i386.rpm
     ruby-libs-1.8.5-22.el5_7.1.i386.rpm
     ruby-mode-1.8.5-22.el5_7.1.i386.rpm
     ruby-rdoc-1.8.5-22.el5_7.1.i386.rpm
     ruby-ri-1.8.5-22.el5_7.1.i386.rpm
     ruby-tcltk-1.8.5-22.el5_7.1.i386.rpm
  x86_64
     ruby-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-debuginfo-1.8.5-22.el5_7.1.i386.rpm
     ruby-debuginfo-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-devel-1.8.5-22.el5_7.1.i386.rpm
     ruby-devel-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-docs-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-irb-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-libs-1.8.5-22.el5_7.1.i386.rpm
     ruby-libs-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-mode-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-rdoc-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-ri-1.8.5-22.el5_7.1.x86_64.rpm
     ruby-tcltk-1.8.5-22.el5_7.1.x86_64.rpm

- Scientific Linux Development Team
 
CD: 3ms