1 files changed, 29 insertions, 0 deletions
diff --git a/debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.-ups.patch b/debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.-ups.patch
new file mode 100644
index 000000000..a5437cacd
--- /dev/null
+++ b/debian/patches/1002-Fix-CVE-2011-4028-File-disclosure-vulnerability.-ups.patch
@@ -0,0 +1,29 @@
+From df4a3b7270539843ae76275485ca76efcdf361d9 Mon Sep 17 00:00:00 2001
+From: Mike DePaulo <mikedep333@gmail.com>
+Date: Sun, 8 Feb 2015 19:16:38 -0500
+Subject: [PATCH 02/40] Fix CVE-2011-4028: File disclosure vulnerability.
+ upstream xorg/xserver commit 6ba44b91e37622ef8c146d8f2ac92d708a18ed34
+
+use O_NOFOLLOW to open the existing lock file, so symbolic links
+aren't followed, thus avoid revealing if it point to an existing
+file.
+---
+ nx-X11/programs/Xserver/os/utils.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/nx-X11/programs/Xserver/os/utils.c b/nx-X11/programs/Xserver/os/utils.c
+index 9b2431a..79e49d5 100644
+--- a/nx-X11/programs/Xserver/os/utils.c
++++ b/nx-X11/programs/Xserver/os/utils.c
+@@ -483,7 +483,7 @@ LockServer(void)
+       /*
+        * Read the pid from the existing file
+        */
+-      lfd = open(LockFile, O_RDONLY);
++      lfd = open(LockFile, O_RDONLY|O_NOFOLLOW);
+       if (lfd < 0) {
+         unlink(tmp);
+         FatalError("Can't read lock file %s\n", LockFile);
+-- 
+2.1.4
+