Bash security update published by Redhat
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Resolved Bash security update published by Redhat

  1. Richard Hordern
    Richard Hordern
  2. Wednesday, 24 September 2014
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Hello,

Are you working on implementing the new bash security update ?

https://access.redhat.com/solutions/1207723

Seems quite serious, any ETA on this ?

http://www.webhostingtalk.com/showthread.php?p=9245167

Thanks !
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  1. 24.09.2014 14:09:47
  2. # 1
Scott Neader Accepted Answer
Scott Neader
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Wondered the same, thanks for asking Richard.

- Scott
  1. 24.09.2014 14:09:12
  2. # 2
Igor Seletskiy Accepted Answer
Igor Seletskiy
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It is being pushed into all the channels right now. Should be ready within next 15-45 minutes.
  1. 24.09.2014 16:09:21
  2. # 3
Sergey Accepted Answer
Sergey
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There is no any updates yet. Do you have some ETA?
  1. 24.09.2014 17:09:45
  2. # 4
Igor Seletskiy Accepted Answer
Igor Seletskiy
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Make sure you did: yum clean all
All the packages are in the channel.
  1. 25.09.2014 02:09:31
  2. # 5
Richard Hordern Accepted Answer
Richard Hordern
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Thank's ! 

Is there a risk running ldconfig instead of rebooting ? 
  1. 25.09.2014 03:09:56
  2. # 6
bitlab Accepted Answer
bitlab
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Hi there:

I just did exactly that but got this:

yum update bash
Loaded plugins: priorities, protectbase, rhnplugin, security
27 packages excluded due to repository priority protections
0 packages excluded due to repository protections
Setting up Update Process
No Packages marked for Update

Any clues?
  1. 25.09.2014 03:09:26
  2. # 7
david majchrzak Accepted Answer
david majchrzak
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Igor, will you guys be waiting for upstream for the next patch or will you guys patch it yourselves?

https://bugzilla.redhat.com/show_bug.cgi?id=1141597#c23
https://access.redhat.com/security/cve/CVE-2014-7169

Might not be as bad as I thought, so perhaps it\'s worth waiting for upstream patch.
http://www.openwall.com/lists/oss-security/2014/09/24/40
  1. 25.09.2014 03:09:57
  2. # 8
david majchrzak Accepted Answer
david majchrzak
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bitlab:
try:

yum clean all 

yum update bash
It also seems you're using yum priorities plugin. Perhaps you're holding bash back by having higher priority for some other repo?
Check priority in your /etc/yum.repos.d/ files and make sure cloudlinux.repo has the highest (lowest value) priority - that is: priority=1
  1. 25.09.2014 03:09:59
  2. # 9
bitlab Accepted Answer
bitlab
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Yeah, figured it out, thank you very much!
  1. 26.09.2014 02:09:08
  2. # 10
Tommy K Accepted Answer
Tommy K
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Is the updated fix far away Igor?
  1. 26.09.2014 02:09:47
  2. # 11
Scott Neader Accepted Answer
Scott Neader
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CloudLinux pushed out the first bash update, but now there is a second update available.  My non-CloudLinux boxes got the update directly from the CentOS repo... just waiting for CloudLinux to catch up.

- Scott
  1. 26.09.2014 04:09:45
  2. # 12
Tommy K Accepted Answer
Tommy K
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Update seem to be available now.
  1. 26.09.2014 04:09:41
  2. # 13
kernow Accepted Answer
kernow
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Not sure it is yet, what do you get from:
env x=\'() { :;}; echo vulnerable\' bash -c \"echo this is a test\"
  1. 26.09.2014 04:09:56
  2. # 14
Tommy K Accepted Answer
Tommy K
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# env x='() { :;}; echo vulnerable' bash -c "echo this is a test"

this is a test
I tried doing a upgrade an hour ago, nothing new, and I did an update ten minutes ago and it downloaded a new bash package.

This is what is installed now:
# yum list installed|grep bash

bash.x86_64                         4.1.2-15.el6_5.2 @cloudlinux-x86_64-server-6
  1. 26.09.2014 04:09:03
  2. # 15
kernow Accepted Answer
kernow
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Yep, me too. but that test should show ( if fixed ):

env x=\'() { :;}; echo vulnerable\'  bash -c \"echo this is a test\"

bash: warning: x: ignoring function definition attempt

bash: error importing function definition for `x\'

this is a test
  1. 26.09.2014 05:09:34
  2. # 16
kernow Accepted Answer
kernow
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Until the fix comes, if you use mod_security add the rules posted here: https://access.redhat.com/articles/1212303
  1. 26.09.2014 05:09:41
  2. # 17
david majchrzak Accepted Answer
david majchrzak
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afaik it shouldn't print out those error messages kernow.

Check bottom https://access.redhat.com/articles/1212303 for the outputs when not affected.
Perhaps there's a difference of output from redhat and debian?
  1. 26.09.2014 05:09:43
  2. # 18
kernow Accepted Answer
kernow
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For redhat based systems the test I mentioned above is here:  https://access.redhat.com/articles/1200223
  1. 26.09.2014 05:09:22
  2. # 19
david majchrzak Accepted Answer
david majchrzak
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Seems to be the correct version though?
https://rhn.redhat.com/errata/RHSA-2014-1306.html
  1. 26.09.2014 05:09:51
  2. # 20
kernow Accepted Answer
kernow
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I have that version installed.  Here's another test that should work on any nix version:

env var='(){(a)=>\' bash -c "echo vulnerable to CVE-2014-7169"; /bin/true
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