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From: David Miller <davem@davemloft.net>
To: tomasw@gmail.com
Cc: johannes@sipsolutions.net, mcgrof@gmail.com,
	linville@tuxdriver.com, yi.zhu@intel.com,
	linux-wireless@vger.kernel.org, assaf.krauss@intel.com
Subject: Re: [RFC PATCH 1/2] mac80211: 11d Handling - Country Information Element
Date: Thu, 19 Jun 2008 15:04:48 -0700 (PDT)	[thread overview]
Message-ID: <20080619.150448.24028711.davem@davemloft.net> (raw)
In-Reply-To: <1ba2fa240806191329w7aef4ccaq587915d41d999edd@mail.gmail.com>

From: "Tomas Winkler" <tomasw@gmail.com>
Date: Thu, 19 Jun 2008 23:29:55 +0300

> On Thu, Jun 19, 2008 at 11:18 PM, Johannes Berg
> <johannes@sipsolutions.net> wrote:
> >
> >> >> +     if (country_ie_len < 6) {
> >> >> +             printk(KERN_ERR "%s: country information element shorter (%d)"
> >> >> +                     " than expected.\n", __func__, country_ie_len);
> >> >
> >> > Remotely exploitable security bug.
> >
> >> Please explain,
> >
> > Sending broken frames will fill the disk.
> 
> I see thanks (yeah, distors doesn't make separate log partitions as default)

How distros do their partitioning is neither here not there.  And even
if they make a seperate log partition, that means it's still exploitable
in that you will no longer get the other non-spam log messages that might
be important to know about.

Any kernel log message triggerable remotely without any kind of rate
limiting is a bug.

  reply	other threads:[~2008-06-19 22:04 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-19 18:35 [RFC PATCH 1/2] mac80211: 11d Handling - Country Information Element Tomas Winkler
2008-06-19 18:35 ` [RFC PATCH 2/2] mac80211: workaround for resetting the tx power Tomas Winkler
2008-06-19 19:04   ` Johannes Berg
2008-06-19 20:26     ` Tomas Winkler
2008-06-19 19:03 ` [RFC PATCH 1/2] mac80211: 11d Handling - Country Information Element Johannes Berg
2008-06-19 20:16   ` Tomas Winkler
2008-06-19 20:18     ` Johannes Berg
2008-06-19 20:29       ` Tomas Winkler
2008-06-19 22:04         ` David Miller [this message]
2008-06-19 22:32           ` Tomas Winkler
2008-07-23 13:15             ` Luis R. Rodriguez
2008-07-23 15:02               ` Tomas Winkler

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