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Date: Wed, 4 Jan 2017 12:16:49 -0500
From: <cve-assign@...re.org>
To: <oss-security@...ts.openwall.com>
CC: <cve-assign@...re.org>
Subject: Re: Firejail local root exploit

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Hash: SHA256

>  * Firejail has too broad attack surface that allows users
>  * to specify a lot of options, where one of them eventually
>  * broke by accessing user-files while running with euid 0.

> const char *const ldso = "/etc/ld.so.preload";
> ...
> snprintf(path, sizeof(path) - 1, "%s/.firenail/.Xauthority", home);
> ...
> symlink(ldso, path)

Use CVE-2017-5180.


>  * There are some other similar races.

We feel that other races, when they are announced, should have different
CVE IDs.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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