[X2Go-Commits] [nx-libs] 14/52: Fix CVE-2011-4028: File disclosure vulnerability. upstream xorg/xserver commit 6ba44b91e37622ef8c146d8f2ac92d708a18ed34

git-admin at x2go.org git-admin at x2go.org
Sat Feb 14 17:47:06 CET 2015


This is an automated email from the git hooks/post-receive script.

x2go pushed a commit to branch 3.6.x
in repository nx-libs.

commit df4a3b7270539843ae76275485ca76efcdf361d9
Author: Mike DePaulo <mikedep333 at gmail.com>
Date:   Sun Feb 8 19:16:38 2015 -0500

    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);

--
Alioth's /srv/git/_hooks_/post-receive-email on /srv/git/code.x2go.org/nx-libs.git


More information about the x2go-commits mailing list