Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Fri, 17 Apr 2015 09:41:46 +0200
From: Florian Weimer <>
To: Kees Cook <>
Subject: Re: kernel: fs.suid_dumpable=2 privilege escalation

On 04/16/2015 08:41 PM, Kees Cook wrote:
> On Thu, Apr 16, 2015 at 5:42 AM, Florian Weimer <> wrote:
>> Should this be treated as a security vulnerability?
>> “fs: make dumpable=2 require fully qualified path”
>> <>
>> Some widely-used cronie versions still do not have hardening and parse
>> commands in core dumps.
> I didn't seek a CVE for this at the time since it requires a pretty
> specific combination of configurations. Namely: setting dumpable=2
> without a dump handler, which I couldn't find any distro doing. I have
> no objection, of course.

Ah, right.  I noticed this while looking at the file-based coredump
emulation in abrt-hook-ccpp.  It's not the default, either, so we have
not yet assigned a CVE, and we probably won't call it a vulnerability.

Florian Weimer / Red Hat Product Security

Powered by blists - more mailing lists

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.