[Buildroot] [PATCH] package/mosquitto: security bump to version 1.6.6

Titouan Christophe titouan.christophe at railnova.eu
Wed Sep 18 15:02:02 UTC 2019


Hello Peter and all,

On 9/18/19 4:38 PM, Peter Korsgaard wrote:
> Fixes a security issue. From the annoncement:
> 
> A vulnerability exists in Mosquitto versions 1.5 to 1.6.5 inclusive.
> 
> If a client sends a SUBSCRIBE packet containing a topic that consists of
> approximately 65400 or more '/' characters, i.e.  the topic hierarchy
> separator, then a stack overflow will occur.
> 
> The issue is fixed in Mosquitto 1.6.6 and 1.5.9.  Patches for older versions
> are available at https://mosquitto.org/files/cve/2019-hier
> 
> The fix addresses the problem by restricting the allowed number of topic
> hierarchy levels to 200.  An alternative fix is to increase the size of the
> stack by a small amount.
> 
> https://mosquitto.org/blog/2019/09/version-1-6-6-released/
> 
> Also notice that 1.6.5 silently fixed a security issue:
> 
> CVE-2019-11778
> 
> A vulnerability exists in Mosquitto version 1.6 to 1.6.4 inclusive, known as CVE-2019-11778
> 
> If an MQTT v5 client connects to Mosquitto, sets a last will and testament,
> sets a will delay interval, sets a session expiry interval, and the will
> delay interval is set longer than the session expiry interval, then a use
> after free error occurs, which has the potential to cause a crash in some
> situations.
> 

Do you also intend to backport this into 2019.02 ?

> Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
Reviewed by: Titouan Christophe <titouan.christophe at railnova.eu>
> ---
>   package/mosquitto/mosquitto.hash | 2 +-
>   package/mosquitto/mosquitto.mk   | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/package/mosquitto/mosquitto.hash b/package/mosquitto/mosquitto.hash
> index aa6eeaf13a..23854bd401 100644
> --- a/package/mosquitto/mosquitto.hash
> +++ b/package/mosquitto/mosquitto.hash
> @@ -1,5 +1,5 @@
>   # Locally calculated after checking gpg signature
> -sha256 bc71b38b5a26fc7cc772853e5607c657868db9f9a6d2b15e2b677649a0f85d20  mosquitto-1.6.5.tar.gz
> +sha256 82676bf4201ff102be1511b56b041a9450fbbfeda40b21aa28be0fee56e8de17  mosquitto-1.6.6.tar.gz
>   
>   # License files
>   sha256 cc77e25bafd40637b7084f04086d606f0a200051b61806f97c93405926670bc1  LICENSE.txt
> diff --git a/package/mosquitto/mosquitto.mk b/package/mosquitto/mosquitto.mk
> index fd8e6df26a..932855107e 100644
> --- a/package/mosquitto/mosquitto.mk
> +++ b/package/mosquitto/mosquitto.mk
> @@ -4,7 +4,7 @@
>   #
>   ################################################################################
>   
> -MOSQUITTO_VERSION = 1.6.5
> +MOSQUITTO_VERSION = 1.6.6
>   MOSQUITTO_SITE = https://mosquitto.org/files/source
>   MOSQUITTO_LICENSE = EPL-1.0 or EDLv1.0
>   MOSQUITTO_LICENSE_FILES = LICENSE.txt epl-v10 edl-v10
> 



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