[Pkg-samba-maint] [samba] 02/02: CVE-2017-7494: rpc_server3: Refuse to open pipe names with / inside ; and release 2:4.5.8+dfsg-2

[Mathieu Parent]

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sathieu pushed a commit to branch master
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commit 32841b292ef41e4b17367f7bd464f882d57a39dc
Author: Mathieu Parent <math.parent at gmail.com>
Date:   Thu May 18 11:54:32 2017 +0200

    CVE-2017-7494: rpc_server3: Refuse to open pipe names with / inside ; and release 2:4.5.8+dfsg-2
---
 debian/changelog                   |  6 ++++++
 debian/patches/CVE-2017-7494.patch | 33 +++++++++++++++++++++++++++++++++
 debian/patches/series              |  1 +
 3 files changed, 40 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index ab38326..750f427 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -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 --git a/debian/patches/CVE-2017-7494.patch b/debian/patches/CVE-2017-7494.patch
new file mode 100644
index 0000000..0e7dd8e
--- /dev/null
+++ b/debian/patches/CVE-2017-7494.patch
@@ -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 --git a/debian/patches/series b/debian/patches/series
index 3788884..98c29a1 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -15,3 +15,4 @@ systemd-syslog.target-is-obsolete.patch
 Add-documentation-to-systemd-Unit-files.patch
 fix_kill_path_in_units.patch
 nmbd-requires-a-working-network.patch
+CVE-2017-7494.patch

-- 
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