oss-security - Re: CVE Request -- anaconda: Weak permissions by writing password configuration file in bootloader configuration module

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Date: Fri, 04 May 2012 10:10:05 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Jan Lieskovsky <jlieskov@...hat.com>,
        "Steven M. Christey" <coley@...us.mitre.org>,
        Peter Jones <pjones@...hat.com>
Subject: Re: CVE Request -- anaconda: Weak permissions by writing
 password configuration file in bootloader configuration module

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On 05/04/2012 10:06 AM, Jan Lieskovsky wrote:
> Hello Kurt, Steve, vendors,
> 
> a security flaw was found in the way bootloader configuration
> module of Anaconda, a graphical system installer, stored password
> hashes when performing write of password configuration file (0755
> permissions were used instead of 0700 ones). A local users could
> use this flaw to obtain password hashes and conduct brute force
> password guessing attacks (possibly leading to password 
> circumvention, machine reboot or use of custom kernel or initrd
> command line parameters).
> 
> Upstream patch: [1] 
> http://git.fedorahosted.org/git/?p=anaconda.git;a=commit;h=03ef13b625cc06873a924e0610340f8489fd92df
>
> 
> 
> References: [2] https://bugzilla.redhat.com/show_bug.cgi?id=819031
> 
> Could you allocate a CVE identifier for this?
> 
> Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat
> Security Response Team

Please use CVE-2012-2314 for this issue.

- -- 
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993

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