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Message-ID: <Pine.LNX.4.64.1501271310560.11165@beijing.mitre.org>
Date: Tue, 27 Jan 2015 13:14:04 -0500 (EST)
From: cve-assign@...re.org
To: Sebastian Pipping <sebastian@...ping.org>
cc: oss-security@...ts.openwall.com, cve-assign@...re.org
Subject: Re: CVE or not: 2x grml-debootstrap
> I recently ran into two bugs in grml-debootstrap, documented in detail
> at the following GitHub issues.
>
>
> 1) For the first
>
> Issues with sourcing cmdlineopts.clp from current working directory
> https://github.com/grml/grml-debootstrap/issues/59
>
> I am rather clear about exploitability.
> Please review the proposed approach for a fix.
Use CVE-2015-1378.
>
> 2) For the second
>
> Lack of user input escaping / use of $!`"\ in passwords
> https://github.com/grml/grml-debootstrap/issues/58
>
> I still wonder about realistic exploitation scenarios. Since the tool
> is usually executed by root or using sudo, input from a non-root user
> would need to make its way into the command line, unfiltered or filtered
> insufficiently.
A CVE will not be assigned at this time.
> It could either be a service like
>
> live-build
> http://cgi.build.live-systems.org/cgi-bin/live-build
>
> (they don't call grml-debootstrap, if the code is [2])
> or a sudoers config like
>
> user23 ALL=(ALL) NOPASSWD: /usr/sbin/grml-debootstrap \
> --password * .....
>
> though I am note sure how much of a likely setup that is.
>
> Other ideas on scenarios?
> Also, please review my proposal on escaping.
>
> Thanks and best,
>
>
>
> Sebastian
>
>
> [1] https://github.com/grml/grml-debootstrap
> [2] https://packages.debian.org/de/wheezy/live-build
---
CVE assignment team, MITRE CVE Numbering Authority M/S M300
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