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

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <4FA3FF5D.1080508@redhat.com>
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

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
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=3W0O
-----END PGP SIGNATURE-----

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.