[Pkg-samba-maint] Bug#863268: unblock: samba/2:4.5.8+dfsg-2

[Mathieu Parent]

Package: release.debian.org
Severity: normal
User: release.debian.org at packages.debian.org
Usertags: unblock

Please unblock package samba

It (only) includes a fix for critical CVE-2017-7494 (rpc_server3: Refuse to
open pipe names with / inside)

Debdiff attached.

Regards

Mathieu Parent

unblock samba/2:4.5.8+dfsg-2

-- System Information:
Debian Release: 9.0
  APT prefers testing-debug
  APT policy: (500, 'testing-debug'), (500, 'testing')
Architecture: amd64
 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.9.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
-------------- next part --------------
diff -Nru samba-4.5.8+dfsg/debian/changelog samba-4.5.8+dfsg/debian/changelog
--- samba-4.5.8+dfsg/debian/changelog	2017-04-01 20:39:17.000000000 +0200
+++ samba-4.5.8+dfsg/debian/changelog	2017-05-18 11:53:47.000000000 +0200
@@ -1,3 +1,9 @@
+samba (2:4.5.8+dfsg-2) unstable; urgency=high
+
+  * CVE-2017-7494: rpc_server3: Refuse to open pipe names with / inside
+
+ -- Mathieu Parent <sathieu at debian.org>  Thu, 18 May 2017 11:53:47 +0200
+
 samba (2:4.5.8+dfsg-1) unstable; urgency=high
 
   * New upstream version
diff -Nru samba-4.5.8+dfsg/debian/patches/CVE-2017-7494.patch samba-4.5.8+dfsg/debian/patches/CVE-2017-7494.patch
--- samba-4.5.8+dfsg/debian/patches/CVE-2017-7494.patch	1970-01-01 01:00:00.000000000 +0100
+++ samba-4.5.8+dfsg/debian/patches/CVE-2017-7494.patch	2017-05-18 11:53:47.000000000 +0200
@@ -0,0 +1,33 @@
+From d2bc9f3afe23ee04d237ae9f4511fbe59a27ff54 Mon Sep 17 00:00:00 2001
+From: Volker Lendecke <vl at samba.org>
+Date: Mon, 8 May 2017 21:40:40 +0200
+Subject: [PATCH] CVE-2017-7494: rpc_server3: Refuse to open pipe names with /
+ inside
+
+Bug: https://bugzilla.samba.org/show_bug.cgi?id=12780
+
+Signed-off-by: Volker Lendecke <vl at samba.org>
+Reviewed-by: Jeremy Allison <jra at samba.org>
+Reviewed-by: Stefan Metzmacher <metze at samba.org>
+---
+ source3/rpc_server/srv_pipe.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c
+index 0633b5f..c3f0cd8 100644
+--- a/source3/rpc_server/srv_pipe.c
++++ b/source3/rpc_server/srv_pipe.c
+@@ -475,6 +475,11 @@ bool is_known_pipename(const char *pipename, struct ndr_syntax_id *syntax)
+ {
+ 	NTSTATUS status;
+ 
++	if (strchr(pipename, '/')) {
++		DEBUG(1, ("Refusing open on pipe %s\n", pipename));
++		return false;
++	}
++
+ 	if (lp_disable_spoolss() && strequal(pipename, "spoolss")) {
+ 		DEBUG(10, ("refusing spoolss access\n"));
+ 		return false;
+-- 
+1.9.1
diff -Nru samba-4.5.8+dfsg/debian/patches/series samba-4.5.8+dfsg/debian/patches/series
--- samba-4.5.8+dfsg/debian/patches/series	2017-04-01 20:39:17.000000000 +0200
+++ samba-4.5.8+dfsg/debian/patches/series	2017-05-18 11:53:47.000000000 +0200
@@ -15,3 +15,4 @@
 Add-documentation-to-systemd-Unit-files.patch
 fix_kill_path_in_units.patch
 nmbd-requires-a-working-network.patch
+CVE-2017-7494.patch