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Message-ID: <5182B021.8050206@redhat.com>
Date: Thu, 02 May 2013 12:27:45 -0600
From: Kurt Seifried <kseifried@...hat.com>
To: oss-security@...ts.openwall.com
CC: Jan Lieskovsky <jlieskov@...hat.com>,
"Steven M. Christey" <coley@...us.mitre.org>,
"Eric S. Raymond" <esr@...rsus.com>,
Miroslav Lichvar <mlichvar@...hat.com>
Subject: Re: CVE Request -- gpsd 3.9 fixing a denial of service
flaw
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Hash: SHA1
On 05/02/2013 03:58 AM, Jan Lieskovsky wrote:
> Hello Kurt, Steve, Eric, Miroslav, vendors,
>
> GPSD upstream has released 3.9 version: [1]
> http://lists.nongnu.org/archive/html/gpsd-dev/2013-05/msg00000.html
>
> correcting one denial of service problem [2]: A denial of service
> flaw was found in the way AIS driver packet parser of gpsd, a
> service daemon for mediating access to a GPS, processed certain
> malformed packets. A remote attacker could provide a
> specially-crafted device input that, when processed would lead to
> gpsd's packet parser crash (gpsd daemon termination).
>
> References: [2] https://bugzilla.redhat.com/show_bug.cgi?id=958717
>
> Candidate upstream patches [*]: [3]
> http://git.savannah.gnu.org/cgit/gpsd.git/commit/?id=08edc49d8f63c75bfdfb480b083b0d960310f94f
>
>
[4]
http://git.savannah.gnu.org/cgit/gpsd.git/commit/?id=dd9c3c2830cb8f8fd8491ce68c82698dc5538f50
>
> -- [*] Candidate because upstream #38511 is private currently:
> http://savannah.nongnu.org/bugs/?38511 => hard to say if [3] is
> fixing this issue, or the DoS would be caused by the malformed
> packet crash / sample, as listed in [4].
>
> @Eric - Eric, could you please help us to solve this doubt? (which
> of the patches is the correct one to fix the above mentioned DoS /
> security issue)
>
> Thanks: Goes to Miroslav Lichvar for bringing this one to my
> attention.
>
> Kurt, could you allocate a CVE identifier for this?
>
> Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat
> Security Response Team
>
Just a quick note, at least on Fedora when you plug in a USB GPS
device, by default the OS handles it, fires up gpsd. So with this you
could make a crash usb stick or something.
Please use CVE-2013-2038 for this issue.
- --
Kurt Seifried Red Hat Security Response Team (SRT)
PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993
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