Your message dated Sat, 10 Mar 2018 10:57:46 +0000
with message-id <[email protected]>
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.
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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
885027: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885027
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: release.debian.org
Severity: normal
Tags: stretch
User: [email protected]
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 <[email protected]> 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 <[email protected]>
+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 ---
