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Bug#885027: marked as done (stretch-pu: package mosquitto/1.4.10-3+deb9u1)

Your message dated Sat, 10 Mar 2018 10:57:46 +0000
with message-id <1520679466.2744.57.camel@adam-barratt.org.uk>
and subject line Closing bugs for updates included in 9.4
has caused the Debian Bug report #885027,
regarding stretch-pu: package mosquitto/1.4.10-3+deb9u1
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
885027: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885027
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: release.debian.org
Severity: normal
Tags: stretch
User: release.debian.org@packages.debian.org
Usertags: pu

This patch fixes CVS-2017-0868 for mosquitto. The security team does not
believe it is worthy of a DSA and suggest a point release instead.

-- System Information:
Debian Release: stretch/sid
  APT prefers xenial-updates
  APT policy: (500, 'xenial-updates'), (500, 'xenial-security'), (500, 'xenial'), (100, 'xenial-backports')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.4.0-97-generic (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: systemd (via /run/systemd/system)

diff -Nru mosquitto-1.4.10/debian/changelog mosquitto-1.4.10/debian/changelog
--- mosquitto-1.4.10/debian/changelog	2017-05-29 14:38:36.000000000 +0100
+++ mosquitto-1.4.10/debian/changelog	2017-12-22 21:29:50.000000000 +0000
@@ -1,3 +1,12 @@
+mosquitto (1.4.10-3+deb9u1) stretch; urgency=medium
+
+  * SECURITY UPDATE: Mosquitto persistence file is world readable.
+    - debian/patches/mosquitto-1.4.x_cve-2017-9868.patch: Set umask to limit
+      read permissions.
+    - CVE-2017-9868
+
+ -- Roger A. Light <roger@atchoo.org>  Fri, 22 Dec 2017 08:19:25 +0000
+
 mosquitto (1.4.10-3) unstable; urgency=high
 
   * SECURITY UPDATE: Pattern ACL can be bypassed by using a username/client id
diff -Nru mosquitto-1.4.10/debian/patches/mosquitto-1.4.x_cve-2017-9868.patch mosquitto-1.4.10/debian/patches/mosquitto-1.4.x_cve-2017-9868.patch
--- mosquitto-1.4.10/debian/patches/mosquitto-1.4.x_cve-2017-9868.patch	1970-01-01 01:00:00.000000000 +0100
+++ mosquitto-1.4.10/debian/patches/mosquitto-1.4.x_cve-2017-9868.patch	2017-06-26 09:41:10.000000000 +0100
@@ -0,0 +1,17 @@
+Description: Fix for CVE-207-9868.
+Author: Roger Light <roger@atchoo.org>
+Forwarded: not-needed
+Origin: upstream, https://mosquitto.org/files/cve/2017-9868/mosquitto-1.4.x_cve-2017-9868.patch
+--- a/src/persist.c
++++ b/src/persist.c
+@@ -362,6 +362,10 @@
+ 		_mosquitto_log_printf(NULL, MOSQ_LOG_INFO, "Error saving in-memory database, out of memory.");
+ 		return MOSQ_ERR_NOMEM;
+ 	}
++
++	/* Restrict access to persistence file. */
++	umask(0077);
++
+ 	snprintf(outfile, len, "%s.new", db->config->persistence_filepath);
+ 	outfile[len] = '\0';
+ 
diff -Nru mosquitto-1.4.10/debian/patches/series mosquitto-1.4.10/debian/patches/series
--- mosquitto-1.4.10/debian/patches/series	2017-05-29 13:47:08.000000000 +0100
+++ mosquitto-1.4.10/debian/patches/series	2017-12-22 08:23:41.000000000 +0000
@@ -8,3 +8,4 @@
 hurd-errno.patch
 mosquitto-1.4.10_cve-2017-7650.patch
 allow_ipv6_bridges.patch
+mosquitto-1.4.x_cve-2017-9868.patch

--- End Message ---
--- Begin Message --- 
Version: 9.4

Hi,

The update referenced by each of these bugs was included in this
morning's stretch point release.

Regards,

Adam

--- End Message ---
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