[cobbler] Cobbler WebUI file inclusion in profile page

Christopher Liebman liebman at zod.com
Wed May 7 21:00:04 UTC 2014


Ahh - interesting viewpoint.

On May 7, 2014, at 12:30 PM, Dolev Farhi <D.Farhi at F5.com> wrote:

> Hi
> 
> This sounds a little weird to me, a user mis configuration leads to crucial system files exposure? Doesnt it sound reasonable to have some sort of a file restriction or path restriction to include files from (especially if these are just kickstart files)
> Considering sometimes cobbler deployments are not done by sysadmins or other IT personnel it is worrying us that pretty much any file is exposed via cobbler webUI.
> ________________________________________
> From: cobbler-bounces at lists.fedorahosted.org [cobbler-bounces at lists.fedorahosted.org] on behalf of Christopher Liebman [liebman at zod.com]
> Sent: Wednesday, May 07, 2014 5:59 PM
> To: cobbler mailing list
> Subject: Re: [cobbler] Cobbler WebUI file inclusion in profile page
> 
> Hmm,  I'm not sure that I would classify a user mis-configuration as a software security issue.
> 
>    -- Chris
> 
> On May 7, 2014, at 4:28 AM, Dolev Farhi <D.Farhi at F5.com<mailto:D.Farhi at F5.com>> wrote:
> 
> hello,
> 
> I would like to know whether this issue has been addressed before:
> 
> I have created a regular cobbler profile, nothing fancy.
> 
> The only thing I did different is changing the ‘Kickstart’ value to the famous /etc/passwd file.
> 
> After saving the profile, I went to ‘View Kickstart’ and managed to get all the passwd content.
> 
> This issue allows any remote attacker to get the local users list and I am quite sure this can be classified as a security vulnerability.
> 
> Please let me know as we have multiple cobbler instances here.
> 
> --
> 
> df
> 
> 
> 
> 
> 
> 
> 
> 
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