Date: Wed, 23 May 2012 16:01:45 +0200 From: Matthias Weckbecker <mweckbecker@...e.de> To: oss-security@...ts.openwall.com Cc: Jan Lieskovsky <jlieskov@...hat.com>, "John W. Linville" <linville@...hat.com> Subject: Re: CVE request(?): hostapd: improper file permissions of hostapd's config leaks credentials On Wednesday 23 May 2012 11:15:48 Jan Lieskovsky wrote: > Hi Matthias, > Hi Jan, > thank you for your request. > > On 05/23/2012 10:21 AM, Matthias Weckbecker wrote: > > Hi Kurt, > > Hi vendors, > > > > not too critical in my opinion, but I think still worth to be at least > > mentioned briefly as other distros such as Fedora 16 were affected too: > > > > https://bugzilla.novell.com/show_bug.cgi?id=740964 > > > > I'm not sure whether this issue should get a CVE, > > We have previously checked this with John W.Linville (Cc-ed on this post > too) with reply from him being as inlined below: > OK, thank you for your explanation. Although I don't agree with you (as it's like shipping /etc/shadow world-readable and saying it has to be adjusted to reflect the administrator's needs), I can live with no CVE being assigned for this. I wouldn't say that this is a critical issue anyway. Thanks, Matthias > ---<inline>--- > Jan, > > I think you understand it all correctly. > > Thanks, > > John > > On Thu, 2012-05-17 at 12:44 +0200, Jan Lieskovsky wrote: > > Hello John, > > > > this is due the following Novell bug: > >  https://bugzilla.novell.com/show_bug.cgi?id=740964 > > > > I have checked that Fedora hostapd versions, have permissions like > > (thus insecure too): > > > > # ls -l /etc/hostapd/hostapd.conf > > -rw-r--r--. 1 root root 722 Feb 9 2011 /etc/hostapd/hostapd.conf > > > > I am taking the default content of /etc/hostapd/hostapd.conf > > as an example configuration (thus something which should the > > administrator of the system to update to reflect their needs > > to get hostapd for their wireless network configuration to > > work properly. > > > > Thus as such I would say this is just issue of proper configuration > > (in the moment of editing the configuration file the administrator > > should update the permissions on the config file too to ensure WPA > > password wouldn't leak, right?), than a real security flaw. > > > > Do you agree with this view or should I request CVE identifier > > for this issue and we should get hostapd packages in Fedora updated > > to correct this? > > > > Thank you && Regards, Jan. > > -- > > Jan iankko Lieskovsky / Red Hat Security Response Team > > > > P.S.: > > > > For the other part of Novell bug (permissions for hostapd.wpa_psk > > in Fedora versions there doesn't seem to be other hostapd.wpa_psk > > than just: > > > > /usr/share/doc/hostapd-0.7.3/hostapd.wpa_psk > > > > which I think is there for documentation / config sample purposes). > > Thus I would not consider this second part as a security issue. -- Matthias Weckbecker, Junior Security Engineer, SUSE Security Team SUSE LINUX Products GmbH, Maxfeldstr. 5, D-90409 Nuernberg, Germany Tel: +49-911-74053-0; http://suse.com/ SUSE LINUX Products GmbH, GF: Jeff Hawn, HRB 16746 (AG Nuernberg)
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