[PATCH] Adding remediation fix for accounts_max_concurrent_login_sessions

Shawn Wells swells at redhat.com
Thu Oct 3 20:46:57 UTC 2013





> On Oct 3, 2013, at 4:06 PM, fcaviggi at redhat.com wrote:
> 
> Shawn,
> 
> This is probably a better approach - I'll resubmit the patch for  accounts_max_concurrent_login_sessions - do you think we should probably do the same thing for disable_user_coredumps?
> 
> -Frank
> 

Yes, definitely!


> 
> 
>> On 10/03/2013 02:25 PM, Shawn Wells wrote:
>>> On 10/3/13 1:08 PM, Frank Caviggia wrote:
>>> 
>>> 0001-Adding-remediation-fix-for-accounts_max_concurrent_l.patch
>>> 
>>> From 3616e7abaf9d9b1c71d211ff435c77ef96c297d3 Mon Sep 17 00:00:00 2001
>>> From: Frank Caviggia <fcaviggi at redhat.com>
>>> Date: Thu, 3 Oct 2013 12:48:54 -0400
>>> Subject: [PATCH] Adding remediation fix for
>>>  accounts_max_concurrent_login_sessions
>>> 
>>> Signed-off-by: Frank Caviggia <fcaviggi at redhat.com>
>>> ---
>>>  RHEL6/input/fixes/bash/accounts_max_concurrent_login_sessions.sh | 4 ++++
>>>  1 file changed, 4 insertions(+)
>>>  create mode 100644 RHEL6/input/fixes/bash/accounts_max_concurrent_login_sessions.sh
>>> 
>>> diff --git a/RHEL6/input/fixes/bash/accounts_max_concurrent_login_sessions.sh b/RHEL6/input/fixes/bash/accounts_max_concurrent_login_sessions.sh
>>> new file mode 100644
>>> index 0000000..0ec1e06
>>> --- /dev/null
>>> +++ b/RHEL6/input/fixes/bash/accounts_max_concurrent_login_sessions.sh
>>> @@ -0,0 +1,4 @@
>>> +source ./templates/support.sh
>>> +populate max_concurrent_login_sessions_value
>>> +
>>> +echo "*     hard   maxlogins    $max_concurrent_login_sessions_value" >> /etc/security/limits.conf
>>> -- 
>>> 1.8.3.1
>>> 
>> 
>> There are two failure conditions which we'll need to remediate:
>> - maxlogins value to high
>> - maxlogins not set (which your patch handles)
>> 
>> Here's an example of how to address both:
>> https://git.fedorahosted.org/cgit/scap-security-guide.git/tree/RHEL6/input/fixes/bash/accounts_password_minlen_login_defs.sh
>> 
>> A sed command will change any existing values, and should there not be any, the appropriate string is concatenated to the file. What do you think of that approach? I wasn't clever enough to get everything into a single one-liner, not sure if the efficiency could be increased.
>> 
>> 
>> 
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> 
> 
> -- 
> Frank Caviggia
> Consultant, Public Sector
> fcaviggi at redhat.com
> (M) (571) 295-4560
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